A015, Pdo Mapping Error: Unable To Map Object (No Mappings Left) - Beckhoff AX8000 User Information

Standard-Messages
3.46 A015, Pdo Mapping Error: Unable to map Object (no
Mappings left).
Diagnostic Code (Hex.)
A015
Class
Error
Standard Reaction
Axis is inoperable
Possible Causes
A mapping Parameter is not supported of this Device. Please check, your mapping Configuration.
Internal: 0xA015, Pdo Mapping Error: Unable to map Object 0x%x/%x.(no Mappings left) (SyncManager %u)
60
Diagnostic Code (Dez.)
40981
Type
Error
Reset
Execute Reset-Command (Fault reset).
Solutions
Version: 1.1 Multi axis servo system - AX8000