6383, Illegal Slotconfiguration. Double Feedback Selection - Beckhoff AX8000 User Information

Standard-Messages
3.24 6383, Illegal Slotconfiguration. Double Feedback
Selection.
Diagnostic Code (Hex.)
6383
Class
Error
Standard Reaction
Axis is inoperable
Possible Causes
A Feedback Module, which is only possible one time
per Axis was selected as primary and secondary
Encoder.
Internal: 0x6383, Illegal Slotconfiguration. Double Feedback Selection.
38
Diagnostic Code (Dez.)
25475
Type
Error
Reset
Execute Reset-Command (Fault reset).
Solutions
Please select another Feedback as primary or
secondary Encoder.
Version: 1.1 Multi axis servo system - AX8000