TypeError: Cannot read property 'style' of undefined function on change_sc_request when changing value on a related listIssue Getting the following error when changing a field value on a related list field: TypeError: Cannot read property 'style' of undefined function on Change_sc_request This is triggered by a onChange client script.ReleaseNew YorkCauseThis error is caused by the client script where the code says: getSectionByName("Release"); The View selected does not have a section "Release" where when switching to a view where the section exists, the error does now show. This can be confirmed by going to the Chrome developer tools and in the console running the getSectionByName("Release"); If the results is: undefined - Because the section does not exist<span id"=section-.... style=display: none;">_</span> - Returns expected resultResolutionAdding the Release section to the View will resolve your issue