https://community.appian.com/discussions/f/new-to-appian/35510/process-model--appian-step-by-step-exercise-10I am getting this below error, while debugging Request Maintenance process model ERROR An error occurred while evaluating expression: =localize(&quot;de&quot;,&quot;&quot;,&quot;fr_CA&quot;,&quot;&quot;,&quot;ru&quot;,&quot;&quot;,&quot;sv&quot;,&quot;&quot;,&quot;pt&quot;,&quot;&quot;,&quot;ko&quot;,&quot;&quot;,&quot;el&quot;,&quot;&quot;,&quot;fr_CH&quot;,&quot;&quot;,&quot;it&quot;,&quot;&quot;,&quot;fr_FR&quot;,&quot;&quot;,&quot;iw&quot;,&quot;&quot;,&quot;es&quot;,&quot;&quot;en-USTelligent Community 12https://community.appian.com/thread/138908?ContentTypeID=1Wed, 31 Jul 2024 11:43:14 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:66830256-0661-4d6f-9c64-151bae28e768Prasanta Paul<p><img style="max-height:240px;max-width:320px;" src="/resized-image/__size/640x480/__key/communityserver-discussions-components-files/62/pastedimage1722426071557v1.png" alt=" " /></p> <p>Please check the tostring function. May be the bracket is not closed yet. In that situation, please&nbsp;format your code&nbsp;and then run.&nbsp;</p><div style="clear:both;"></div>https://community.appian.com/thread/138414?ContentTypeID=1Sun, 21 Jul 2024 18:29:51 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f24187c0-1604-4839-8c60-3480093b6286Konduru Chaitanya<p>I recommend using an dynamic expression rule with all possible scenarios or name constructions and call the expression rule here. it would avoid the errors. Also use concat() as Abhishek has mentioned.</p><div style="clear:both;"></div>https://community.appian.com/thread/138386?ContentTypeID=1Sun, 21 Jul 2024 06:00:41 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:2517af1e-30c3-4d1b-a10c-8f96ec81199cKarumuru Abhishek<p>&nbsp;<a href="/members/reshman0003">reshman0003</a>&nbsp; you can use concat function to avoid this kind of error,&nbsp; concat(&quot; Request Maintenance for Vehicle: &quot;, recordfield)</p><div style="clear:both;"></div>https://community.appian.com/thread/138385?ContentTypeID=1Sun, 21 Jul 2024 05:27:42 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:5b361996-6217-4c7b-85ff-47e8782b20bbreshman0003<p>I found the issue, that was due to missing &amp; in the Process Display Name</p> <p><img style="max-height:240px;max-width:320px;" src="/resized-image/__size/640x480/__key/communityserver-discussions-components-files/62/pastedimage1721539648665v1.png" alt=" " /></p><div style="clear:both;"></div>https://community.appian.com/thread/138383?ContentTypeID=1Sun, 21 Jul 2024 04:57:16 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f817f5e7-c2da-4dde-9fac-1dd211253389Karumuru Abhishek<p>hi&nbsp;<a href="/members/reshman0003">reshman0003</a>&nbsp; May I know what are you trying to do ?&nbsp;</p><div style="clear:both;"></div>