73C1, EnDat22: Encoder error (position invalid), Id=0xXX, Arg=0xXX

The encoder position (second feedback) is invalid:

Id=1: Got no valid position from the EnDat-Ip-Core. Arg = 'Internal status word'

'Internal status word':
See error code description 0x7320

Diagnostic Code (Hex.)	Diagnostic Code (Dez.)
73C1	29633

Class	Type
Error	Feedback error

Standard Reaction	Reset
Closed loop ramp	Execute Reset-Command (Fault reset).

Internal: 0x73C1, EnDat22: Encoder error (position invalid), Id=0x%X, Arg=0x%X