https://community.appian.com/discussions/f/new-to-appian/24520/update-dictionaryhi, am not sure why this error is comingen-USTelligent Community 12https://community.appian.com/thread/94765?ContentTypeID=1Sat, 07 May 2022 03:19:07 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:35a86ae5-98de-4ec9-8324-23ff9c6a47e5Arul<p>If you want to update the existing data. For instance you may try like.</p> <p>saveInto:{</p> <p>a!save(ri!moduleRecommendationStatus_cdt.updatedBy_txt, loggedInUser()),</p> <p><span>a!save(</span><span>ri!moduleRecommendationStatus_cdt.updatedOn_dt</span><span>, now()</span><span>),</span></p> <p>a!writeToMultipleDataStoreEntities(<br /> valuesToStore: {<br /> a!entityData(<br /> entity: cons!Data store entity1,<br /> data: local!localvariable1<br /> ),</p> <p><span>a!entityData(</span><br /><span>entity: cons!Data store entity2</span><span>,</span><br /><span>data: local!</span><span>localvariable2</span><br /><span>)</span><br /> }<br /> )</p> <p><span>&nbsp;</span></p> <p>}</p><div style="clear:both;"></div>https://community.appian.com/thread/94727?ContentTypeID=1Fri, 06 May 2022 10:40:16 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:cbf502a6-8a46-4797-b0d2-3e30c3593b14Anupriya M<p>The input of updatedictionary are dictionary and field &amp; values. If the dictionary is null,then this error came.Please check whether this ri!moduleRecommendationStatus_cdt has value or not.</p> <p>Even still if you want to save into the fields of the cdt ,then instead of using updatedictionary,</p> <p></p> <p>Use multiple a!save() like</p> <p>a!save( ri!moduleRecommendationStatus_cdt.originalExpiry_dt,ri!originalExpiry_dt),</p> <p>a!save(&nbsp;ri!moduleRecommendationStatus_cdt.proposedExpiry_dt,&nbsp;ri!proposedExpiry_dt) like this.</p><div style="clear:both;"></div>