SAP Message PX091 - The number range for the central person is specific to the plan version

Diagnosis
An entry is missing in table T77S0 under the identifier NUMRG COMP.

System Response
The system sets the number ranges to plan variant-specific for thecentral person. However, no entry was made in table T77S0.

Procedure
You should by all means make a relevant entry in table T77S0.
In this case you must make an entry under the identifier NUMRG COMP andleave the value empty as the employee data was converted with a planvaraint-specific number range.