Symptom(s)
APX CPS "Compatibility error. The UCL Contacts Limitation Enhancement feature is not compatible between source and target. Operation not permitted."
Issue
Software defect
The UCL Contact Limitation is incorrectly enforced. This limit varies by model (see CPS help for Unified Call List limit per radio as below).
Environment
APX CPS
Resolution
Upgrade to R2024.3 / CPS or higher.
Workaround: Reduce the Unified Call List (UCL) contacts list to 1000 or less.