How To Fix C/021 - Sub-operations are currently not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: C/ -

• Message number: 021

• Message text: Sub-operations are currently not supported

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C/021 - Sub-operations are currently not supported ?

  The SAP error message C/021, which states "Sub-operations are currently not supported," typically occurs in the context of production planning and control, particularly when dealing with operations in a routing or production order. This error indicates that the system does not support the use of sub-operations in the current configuration or context.
  Cause:
  
  Routing Configuration: The routing may have been set up with sub-operations, but the system or the specific transaction you are using does not support them.
  System Settings: The configuration settings in the SAP system may not allow for sub-operations. This could be due to the version of SAP you are using or specific settings in the production planning module.
  Transaction Limitations: Certain transactions or processes in SAP may not support sub-operations, leading to this error when attempting to execute them.
  
  Solution:
  
  Check Routing: Review the routing for the production order or process you are working with. If sub-operations are not necessary, consider removing them from the routing.
  Configuration Settings: Consult with your SAP Basis or configuration team to check if the system settings can be adjusted to allow for sub-operations. This may involve changes in the configuration of the production planning module.
  Use Alternative Transactions: If the transaction you are using does not support sub-operations, look for alternative transactions or processes that do.
  SAP Notes and Documentation: Check SAP Notes for any known issues or updates related to this error. SAP may have provided patches or updates that address this limitation.
  Consult SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide guidance based on your specific system configuration and version.
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for production planning and routing to understand the limitations and configurations related to sub-operations.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Training and Resources: If your organization frequently encounters this error, consider providing training for users on the proper setup and use of routings and operations in SAP.
  
  By addressing the routing configuration and understanding the limitations of your SAP system, you can resolve the C/021 error and continue with your production planning activities.