When running pdm_publish, the error message, "AHD04760:Can't rename ddict.sch to ddict.sch.old at .\pdm_publish.pl line 503" is received and publishing of the schema changes fails. The error is likely due to a problem with the permissions of the logged-in user.
When the user is not a local administrator, and does not have "Full Control" permissions on the "Service Desk\site" folder, the error occurs.
To resolve this issue, follow these steps:
<Please see attached file for image>
You should now be able to run the pdm_publish command successfully.