AR System Message Catalog
ARERR  The same ID was specified several times in a 'multiple' operation API call -- each ID specified for this call must be unique.
- AR System server
- Server messages and notifications
Multiple API calls – those enabling you to perform a set of operations in a single call – do not support specifying the same ID several times in the same call. If you specify two sets of changes or specify to delete the same object several times, confusion about the desired operation can arise.
Reissue the operation without specifying the same ID multiple times.