Having the same user_roles type field more than once in form layout prevents editing the field and also leads to a broken UIDescription<!-- div.margin{ padding: 10px 40px 40px 30px; } table.tocTable{ border: 1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); padding-top: .6em; padding-bottom: .6em; padding-left: .9em; padding-right: .6em; } table.noteTable{ border:1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); width: 100%; border-spacing:2; } table.internaltable { white-space:nowrap; text-align:left; border-width: 1px; border-collapse: collapse; font-size:14px; width: 85%; } table.internaltable th { border-width: 1px; padding: 5px; border-style: solid; border-color: rgb(245, 245, 245); background-color: rgb(245, 245, 245); } table.internaltable td { border-width: 1px; padding: 5px; border-style: solid; border-color: #E0E0E0; color: #000000; } table tr td { padding: 15px; } .title { color: #D1232B; font-weight:normal; font-size:28px; } h1{ color: #D1232B; font-weight:normal; font-size:21px; margin-bottom:-5px } h2{ color: #646464; font-weight:bold; font-size:18px; } h3{ color: #000000; font-weight:BOLD; font-size:16px; text-decoration:underline; } h4{ color: #646464; font-weight:BOLD; font-size:15px; text-decoration:; } h5{ color: #000000; font-weight:BOLD; font-size:13px; text-decoration:; } h6{ color: #000000; font-weight:BOLD; font-size:14px; text-decoration:; } hr{ border-top-width: 1px; border-top-style: solid; border-top-color: #cccccc; } ul { list-style: disc outside none; margin-left: 0; } li { padding-left: 1em; } --> Overview This article covers inability to modify 'Roles' field (a user_roles-type field) from form layout Steps to reproduce Go to any record which has a user_roles field. i.e. Select one from sys_app_module table <instancename>/sys_app_module_list.doRight-click to form header. Click Configure > Form LayoutAdd 'Roles' field to somewhere in 'Module' section and click SaveNow there are two 'Roles' fields in form layout. One is under 'Module' section, one is under 'Visibility' sectionGo to the record and click Edit icon of one of 'Roles' field Expected behavior: You can move any role between Available and Selected sections successfully Actual behavior: You can't move any role between Available and Selected sections Now, Click Done or (X) Expected behavior: Changes get saved Actual behavior: Broken UI Resolution Remove the additional field from the form layout to resolve the issue NOTE: Do NOT include any type of field more than once in the same form layout to prevent unexpected behaviors.