X-Check IDs (Panel Edit)
This function is used to verify that all controls in the editor are using unique ID numbers. If there are any duplicates, they will be listed in the dialog. While it is possible to assign more than one control to a particular ID number, we strongly recommend that you do not do so.
To determine whether any IDs are used multiple times:
X-Check Ids Dialog
If there are any controls which use the same ID numbers, they will be listed in this dialog.