topic Re: Which may be the cause of the error: Cannot read property 'length' of undefined? in ArcGIS Survey123 Questions https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830770#M18346 <HTML><HEAD></HEAD><BODY><P>Hi Igor,</P><P></P><P>it would be helpful to have the XLS file to replicate. &nbsp;There is most likely a small problem with on of the questions that the web app is more strict about enforcing than the mobile app.</P></BODY></HTML> Tue, 17 Oct 2017 23:59:26 GMT JamesTedrick 2017-10-17T23:59:26Z Which may be the cause of the error: Cannot read property 'length' of undefined? https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830769#M18345 <HTML><HEAD></HEAD><BODY><P><IMG alt="Cannot read property " length="" /></P><P>In mobile app survey works fine bun in the web app when sending&nbsp;the application gives the error mentioned above.</P><P></P><P>which may be the cause of the error?</P></BODY></HTML> Tue, 17 Oct 2017 12:59:00 GMT https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830769#M18345 AdministratorAGOL_ODIMM 2017-10-17T12:59:00Z Re: Which may be the cause of the error: Cannot read property 'length' of undefined? https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830770#M18346 <HTML><HEAD></HEAD><BODY><P>Hi Igor,</P><P></P><P>it would be helpful to have the XLS file to replicate. &nbsp;There is most likely a small problem with on of the questions that the web app is more strict about enforcing than the mobile app.</P></BODY></HTML> Tue, 17 Oct 2017 23:59:26 GMT https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830770#M18346 JamesTedrick 2017-10-17T23:59:26Z Re: Which may be the cause of the error: Cannot read property 'length' of undefined? https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830771#M18347 <HTML><HEAD></HEAD><BODY><P>Hi James,</P><P></P><P>Actually we use Survey123&nbsp;for registration form so is a quite big. Meanwhile I will check question one by one.</P><P></P><P>Find attached to message xls file.</P><P></P><P>Thanks in advance.</P><P></P><P>Igor.&nbsp;</P></BODY></HTML> Wed, 18 Oct 2017 06:06:37 GMT https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830771#M18347 AdministratorAGOL_ODIMM 2017-10-18T06:06:37Z Re: Which may be the cause of the error: Cannot read property 'length' of undefined? https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830772#M18348 <HTML><HEAD></HEAD><BODY><P><A href="https://community.esri.com/people/JTedrick-esristaff">JTedrick-esristaff</A>&nbsp;it seems that I have found the cause. Groups with only attachment questions are not supported.</P><P>But I still do not have a solution.</P><P>I&nbsp; attached just the fragment where I found the error.</P></BODY></HTML> Wed, 18 Oct 2017 11:43:31 GMT https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830772#M18348 AdministratorAGOL_ODIMM 2017-10-18T11:43:31Z Re: Which may be the cause of the error: Cannot read property 'length' of undefined? https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830773#M18349 <HTML><HEAD></HEAD><BODY><P>Hi Igor,</P><P></P><P>We've been able to replicate the issue and will address&nbsp;it in a future release.</P></BODY></HTML> Wed, 25 Oct 2017 00:01:55 GMT https://community.esri.com/t5/arcgis-survey123-questions/which-may-be-the-cause-of-the-error-cannot-read/m-p/830773#M18349 JamesTedrick 2017-10-25T00:01:55Z