How To Fix OQ_C602 - No entry is selected as a main MM process for location indicator &1

OQ_C602 - Overview

• Message type: E = Error

• Message class: OQ_C - IS-Oil SSR : Message pool Fuels

• Message number: 602

• Message text: No entry is selected as a main MM process for location indicator &1

What causes this issue?

You have not made the required entries.

System Response

The combination of data that you entered is not allowed.

How to fix this error?

Make sure that the entries are correct.
Each location indicator should have exactly one process selected as a
main process.

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 OQ_C602 - No entry is selected as a main MM process for location indicator &1 ?

  The SAP error message OQ_C602, which states "No entry is selected as a main MM process for location indicator &1," typically occurs in the context of Material Management (MM) processes when the system cannot find a defined main process for a specific location indicator. This can happen during various transactions, such as when trying to create or modify material master records, or when executing certain MM-related functions.
  
  Cause:
  
  Missing Configuration: The main cause of this error is usually a missing or incorrect configuration in the system for the specified location indicator. The location indicator is used to determine how materials are managed in different locations (e.g., plants, storage locations).
  Incorrect Location Indicator: The location indicator specified in the transaction may not be valid or may not have been set up correctly in the system.
  Master Data Issues: There may be issues with the master data related to the material or location that is being