How To Fix /SAPAPO/PPM_MAINTAIN191 - Primary resources can only be changed in the mode

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPM_MAINTAIN -

• Message number: 191

• Message text: Primary resources can only be changed in the mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPM_MAINTAIN191 - Primary resources can only be changed in the mode ?

  The SAP error message /SAPAPO/PPM_MAINTAIN191 typically indicates that you are trying to change primary resources in a mode that does not allow such changes. This error is commonly encountered in the context of SAP Advanced Planning and Optimization (APO), particularly when working with Production Planning and Detailed Scheduling (PP/DS) or similar modules.
  Cause:
  The error occurs because:
  
  Mode Restrictions: The system is set to a mode (like display mode) that does not permit changes to primary resources.
  Authorization Issues: The user may not have the necessary authorizations to make changes to primary resources.
  Resource Status: The resource might be in a status that does not allow modifications (e.g., locked or in use).
  Transaction Context: The transaction you are using may not support changes to primary resources in its current context.
  
  Solution:
  To resolve this error, you can try the following steps:
  
  
  Check Mode: Ensure that you are in the correct mode that allows changes. Switch to edit mode if necessary.
  
  Look for options like "Change" or "Edit" in the transaction you are using.
  
  
  
  User Authorizations: Verify that you have the necessary authorizations to change primary resources. You may need to consult with your SAP security team to ensure your user role has the appropriate permissions.
  
  
  Resource Status: Check the status of the primary resource you are trying to change. If it is locked or in use, you may need to wait until it is available for editing.
  
  
  Transaction Type: Ensure that you are using the correct transaction for the changes you want to make. Some transactions may have limitations on what can be modified.
  
  
  Consult Documentation: Refer to SAP documentation or help files related to the specific transaction or module you are using for additional guidance.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message.
  Transaction Codes: Familiarize yourself with the relevant transaction codes in SAP APO that deal with resource management.
  User Roles: Review user roles and authorizations in your SAP system to ensure compliance with change management policies.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.