https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interfaceen-USTelligent Community 12https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interfaceMon, 23 Jul 2018 03:17:56 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:fa65c6a3-3c02-4e14-94c2-e2b7b2c219c5Parmida Borhanihttps://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface#commentsCurrent Revision posted to Appian Knowledge Base by Parmida Borhani on 7/23/2018 3:17:56 AM<br /> <h2>Symptoms</h2> <p>When either interacting with or submitting a SAIL interface, the following error is returned:</p> <div class="SplitPaneLayout---pane SplitPaneLayout---secondary_pane SplitPaneLayout---transparent_background"> <div class="SplitPaneLayout---contents"> <div class="LiveViewContents---fill_height"> <div id="appian-live-view-contents" class="LiveViewContents---fill_height"> <div class="LiveViewErrorWidget---live_view_error_wrapper"> <div class="LiveViewErrorWidget---live_view_error_message LiveViewErrorWidget---live_view_error_message_animate"> <div class="StandaloneMessageBox---sailcontents"> <div class="MessageLayout---message MessageLayout---error"> <div class="RichTextDisplayWidget---inMessageLayout RichTextDisplayWidget---error"> <pre class="ParagraphText---richtext_paragraph ParagraphText---default_direction ParagraphText---align_start ParagraphText---inMessageLayout ParagraphText---error elements---global_p"><strong class="StrongText---richtext_strong StrongText---inMessageLayout StrongText---error">Could not display interface. Please check definition and inputs.<br /></strong>Interface Definition: Expression evaluation error: An error occurred while executing a save: Could not cast from &lt;variable_type_1&gt; to &lt;variable_type_2&gt;. Details: CastInvalid</pre> </div> </div> </div> </div> </div> </div> </div> </div> </div> <h2>Cause</h2> <p>There is a <code>saveInto</code> parameter within a component in this SAIL interface or within a sub-rule of this interface that is attempting to cast from one variable type to another, and the fields between the two data types do not match.</p> <h2>Action</h2> <p>Check the <code>saveInto</code> parameters and ensure that variables are writing correctly and are mapping to identical data types. If attempting to update only one field of a particular CDT variable, use dot notation in the target to save the singular value (e.g., <code>ri!variableName.fieldName</code>).</p> <h2>Affected Versions</h2> <p>This article applies to all versions of Appian.</p> <p>Last Reviewed: April 2018</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: interfaces, SAIL, application design</div> https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface/revision/5Mon, 30 Apr 2018 12:15:58 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:fa65c6a3-3c02-4e14-94c2-e2b7b2c219c5Nick Vigilantehttps://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface#commentsRevision 5 posted to Appian Knowledge Base by Nick Vigilante on 4/30/2018 12:15:58 PM<br /> <h2>Symptoms</h2> <p>When either interacting with or submitting a SAIL interface, the following error is returned:</p> <div class="SplitPaneLayout---pane SplitPaneLayout---secondary_pane SplitPaneLayout---transparent_background"> <div class="SplitPaneLayout---contents"> <div class="LiveViewContents---fill_height"> <div id="appian-live-view-contents" class="LiveViewContents---fill_height"> <div class="LiveViewErrorWidget---live_view_error_wrapper"> <div class="LiveViewErrorWidget---live_view_error_message LiveViewErrorWidget---live_view_error_message_animate"> <div class="StandaloneMessageBox---sailcontents"> <div class="MessageLayout---message MessageLayout---error"> <div class="RichTextDisplayWidget---inMessageLayout RichTextDisplayWidget---error"> <pre class="ParagraphText---richtext_paragraph ParagraphText---default_direction ParagraphText---align_start ParagraphText---inMessageLayout ParagraphText---error elements---global_p"><strong class="StrongText---richtext_strong StrongText---inMessageLayout StrongText---error">Could not display interface. Please check definition and inputs.<br /></strong>Interface Definition: Expression evaluation error: An error occurred while executing a save: Could not cast from &lt;variable_type_1&gt; to &lt;variable_type_2&gt;. Details: CastInvalid</pre> </div> </div> </div> </div> </div> </div> </div> </div> </div> <h2>Cause</h2> <p>There is a <code>saveInto</code> parameter within a component in this SAIL interface or within a sub-rule of this interface that is attempting to cast from one variable type to another, and the fields between the two data types do not match.</p> <h2>Action</h2> <p>Check the <code>saveInto</code> parameters and ensure that variables are writing correctly and are mapping to identical data types. If attempting to update only one field of a particular CDT variable, use dot notation in the target to save the singular value (e.g., <code>ri!variableName.fieldName</code>).</p> <h2>Affected Versions</h2> <p>This article applies to all versions of Appian.</p> <p>Last Reviewed: April 2018</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: interfaces, SAIL</div> https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface/revision/4Mon, 30 Apr 2018 08:14:31 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:fa65c6a3-3c02-4e14-94c2-e2b7b2c219c5Nick Vigilantehttps://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface#commentsRevision 4 posted to Appian Knowledge Base by Nick Vigilante on 4/30/2018 8:14:31 AM<br /> <h2>Symptoms</h2> <p>When either interacting with or submitting a SAIL interface, the following error is returned:</p> <div class="SplitPaneLayout---pane SplitPaneLayout---secondary_pane SplitPaneLayout---transparent_background"> <div class="SplitPaneLayout---contents"> <div class="LiveViewContents---fill_height"> <div id="appian-live-view-contents" class="LiveViewContents---fill_height"> <div class="LiveViewErrorWidget---live_view_error_wrapper"> <div class="LiveViewErrorWidget---live_view_error_message LiveViewErrorWidget---live_view_error_message_animate"> <div class="StandaloneMessageBox---sailcontents"> <div class="MessageLayout---message MessageLayout---error"> <div class="RichTextDisplayWidget---inMessageLayout RichTextDisplayWidget---error"> <pre class="ParagraphText---richtext_paragraph ParagraphText---default_direction ParagraphText---align_start ParagraphText---inMessageLayout ParagraphText---error elements---global_p"><strong class="StrongText---richtext_strong StrongText---inMessageLayout StrongText---error">Could not display interface. Please check definition and inputs.<br /></strong>Interface Definition: Expression evaluation error: An error occurred while executing a save: Could not cast from &lt;variable_type_1&gt; to &lt;variable_type_2&gt;. Details: CastInvalid</pre> </div> </div> </div> </div> </div> </div> </div> </div> </div> <h2>Cause</h2> <p>There is a <code>saveInto</code> parameter within a component in this SAIL interface or within a sub-rule of this interface that is attempting to cast from one variable type to another, and the fields between the two data types do not match.</p> <h2>Action</h2> <p>Check the <code>saveInto</code> parameters and ensure that variables are writing correctly and are mapping to identical data types. If attempting to update only one field of a particular CDT variable, use dot notation in the target to save the singular value (e.g., <code>ri!variableName.fieldName</code>).</p> <h2>Affected Versions</h2> <p>This article applies to all versions of Appian.</p> <p>Last Reviewed: April 2018</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: interfaces, SAIL</div> https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface/revision/1Fri, 27 Apr 2018 13:18:41 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:fa65c6a3-3c02-4e14-94c2-e2b7b2c219c5Nick Vigilantehttps://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface#commentsRevision 1 posted to Appian Knowledge Base by Nick Vigilante on 4/27/2018 1:18:41 PM<br /> <h2>Symptoms</h2> <p>When either interacting with or submitting a SAIL interface, the following error is returned:</p> <div class="SplitPaneLayout---pane SplitPaneLayout---secondary_pane SplitPaneLayout---transparent_background"> <div class="SplitPaneLayout---contents"> <div class="LiveViewContents---fill_height"> <div id="appian-live-view-contents" class="LiveViewContents---fill_height"> <div class="LiveViewErrorWidget---live_view_error_wrapper"> <div class="LiveViewErrorWidget---live_view_error_message LiveViewErrorWidget---live_view_error_message_animate"> <div class="StandaloneMessageBox---sailcontents"> <div class="MessageLayout---message MessageLayout---error"> <div class="RichTextDisplayWidget---inMessageLayout RichTextDisplayWidget---error"> <pre class="ParagraphText---richtext_paragraph ParagraphText---default_direction ParagraphText---align_start ParagraphText---inMessageLayout ParagraphText---error elements---global_p"><strong class="StrongText---richtext_strong StrongText---inMessageLayout StrongText---error">Could not display interface. Please check definition and inputs.<br /></strong>Interface Definition: Expression evaluation error: An error occurred while executing a save: Could not cast from &lt;variable_type_1&gt; to &lt;variable_type_2&gt;. Details: CastInvalid</pre> </div> </div> </div> </div> </div> </div> </div> </div> </div> <p>&nbsp;</p> <h2>Cause</h2> <p>There is a <code>saveInto</code> parameter within a component in this SAIL interface or within a sub-rule of this interface that is attempting to cast from one variable type to another, and the fields between the two CDTs do not match.</p> <h2>Action</h2> <p>Check the <code>saveInto</code> parameters and ensure that variables are writing correctly. If attempting to update only one field of a particular CDT variable, use dot notation in the target to save the singular value (e.g., ri!variableName.fieldName).</p> <h2>Affected Versions</h2> <p>This article applies to all versions of Appian.</p> <p>Last Reviewed: April 2018</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: interfaces, SAIL</div> https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface/revision/3Fri, 27 Apr 2018 10:21:57 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:fa65c6a3-3c02-4e14-94c2-e2b7b2c219c5Nick Vigilantehttps://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface#commentsRevision 3 posted to Appian Knowledge Base by Nick Vigilante on 4/27/2018 10:21:57 AM<br /> <h2>Symptoms</h2> <p>When either interacting with or submitting a SAIL interface, the following error is returned:</p> <div class="SplitPaneLayout---pane SplitPaneLayout---secondary_pane SplitPaneLayout---transparent_background"> <div class="SplitPaneLayout---contents"> <div class="LiveViewContents---fill_height"> <div id="appian-live-view-contents" class="LiveViewContents---fill_height"> <div class="LiveViewErrorWidget---live_view_error_wrapper"> <div class="LiveViewErrorWidget---live_view_error_message LiveViewErrorWidget---live_view_error_message_animate"> <div class="StandaloneMessageBox---sailcontents"> <div class="MessageLayout---message MessageLayout---error"> <div class="RichTextDisplayWidget---inMessageLayout RichTextDisplayWidget---error"> <pre class="ParagraphText---richtext_paragraph ParagraphText---default_direction ParagraphText---align_start ParagraphText---inMessageLayout ParagraphText---error elements---global_p"><strong class="StrongText---richtext_strong StrongText---inMessageLayout StrongText---error">Could not display interface. Please check definition and inputs.<br /></strong>Interface Definition: Expression evaluation error: An error occurred while executing a save: Could not cast from &lt;variable_type_1&gt; to &lt;variable_type_2&gt;. Details: CastInvalid</pre> </div> </div> </div> </div> </div> </div> </div> </div> </div> <h2>Cause</h2> <p>There is a <code>saveInto</code> parameter within a component in this SAIL interface or within a sub-rule of this interface that is attempting to cast from one variable type to another, and the fields between the two data types do not match.</p> <h2>Action</h2> <p>Check the <code>saveInto</code> parameters and ensure that variables are writing correctly and are mapping to identical data types. If attempting to update only one field of a particular CDT variable, use dot notation in the target to save the singular value (e.g., ri!variableName.fieldName).</p> <h2>Affected Versions</h2> <p>This article applies to all versions of Appian.</p> <p>Last Reviewed: April 2018</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: interfaces, SAIL</div> https://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface/revision/2Fri, 27 Apr 2018 09:21:08 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:fa65c6a3-3c02-4e14-94c2-e2b7b2c219c5Nick Vigilantehttps://community.appian.com/support/w/kb/938/kb-1570-could-not-cast-from-variable-type-1-to-variable-type-2-error-thrown-when-interacting-with-a-sail-interface#commentsRevision 2 posted to Appian Knowledge Base by Nick Vigilante on 4/27/2018 9:21:08 AM<br /> <h2>Symptoms</h2> <p>When either interacting with or submitting a SAIL interface, the following error is returned:</p> <div class="SplitPaneLayout---pane SplitPaneLayout---secondary_pane SplitPaneLayout---transparent_background"> <div class="SplitPaneLayout---contents"> <div class="LiveViewContents---fill_height"> <div id="appian-live-view-contents" class="LiveViewContents---fill_height"> <div class="LiveViewErrorWidget---live_view_error_wrapper"> <div class="LiveViewErrorWidget---live_view_error_message LiveViewErrorWidget---live_view_error_message_animate"> <div class="StandaloneMessageBox---sailcontents"> <div class="MessageLayout---message MessageLayout---error"> <div class="RichTextDisplayWidget---inMessageLayout RichTextDisplayWidget---error"> <pre class="ParagraphText---richtext_paragraph ParagraphText---default_direction ParagraphText---align_start ParagraphText---inMessageLayout ParagraphText---error elements---global_p"><strong class="StrongText---richtext_strong StrongText---inMessageLayout StrongText---error">Could not display interface. Please check definition and inputs.<br /></strong>Interface Definition: Expression evaluation error: An error occurred while executing a save: Could not cast from &lt;variable_type_1&gt; to &lt;variable_type_2&gt;. Details: CastInvalid</pre> </div> </div> </div> </div> </div> </div> </div> </div> </div> <h2>Cause</h2> <p>There is a <code>saveInto</code> parameter within a component in this SAIL interface or within a sub-rule of this interface that is attempting to cast from one variable type to another, and the fields between the two CDTs do not match.</p> <h2>Action</h2> <p>Check the <code>saveInto</code> parameters and ensure that variables are writing correctly. If attempting to update only one field of a particular CDT variable, use dot notation in the target to save the singular value (e.g., ri!variableName.fieldName).</p> <h2>Affected Versions</h2> <p>This article applies to all versions of Appian.</p> <p>Last Reviewed: April 2018</p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: interfaces, SAIL</div>