How To Fix GPSC090 - Calculation Scheme for Category &1 only has a single Contractor rate

GPSC090 - Overview

• Message type: E = Error

• Message class: GPSC - PSC Application

• Message number: 090

• Message text: Calculation Scheme for Category &1 only has a single Contractor rate

What causes this issue?

Only one step is allowed in the Calculation Scheme for this Calculation
Category

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GPSC090 - Calculation Scheme for Category &1 only has a single Contractor rate ?

  The SAP error message GPSC090 indicates that there is an issue with the calculation scheme for a specific category in the system. This error typically arises when the calculation scheme is set up in such a way that it only contains a single contractor rate, which may not be sufficient for the intended calculations or processes.
  
  Cause:
  
  Single Contractor Rate: The primary cause of this error is that the calculation scheme for the specified category (indicated by &1) has only one contractor rate defined. This can happen if the configuration for the calculation scheme is incomplete or if the necessary rates have not been set up correctly.
  
  Configuration Issues: There may be issues in the configuration of the calculation scheme or the related master data that prevent multiple contractor rates from being defined.
  Data Entry Errors: Incorrect data entry or missing data in the relevant tables can also lead to this error.
  
  
  Solution:
  
  Review Calculation Scheme: