How To Fix /ISDFPS/ME_CA_MB051 - You are not authorized to maintain the compatibility information

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/ME_CA_MB -

• Message number: 051

• Message text: You are not authorized to maintain the compatibility information

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/ME_CA_MB051 - You are not authorized to maintain the compatibility information ?

  The SAP error message /ISDFPS/ME_CA_MB051 indicates that the user does not have the necessary authorization to maintain compatibility information in the system. This typically occurs in the context of managing materials, especially in the area of material compatibility in SAP's Advanced Planning and Optimization (APO) or similar modules.
  Cause:
  
  Authorization Issues: The user attempting to perform the action does not have the required authorization object assigned to their user profile. This could be due to missing roles or authorizations related to material management or compatibility maintenance.
  Role Configuration: The roles assigned to the user may not include the necessary permissions to access or modify compatibility information.
  System Configuration: There may be restrictions set at the organizational level that prevent certain users from accessing specific functionalities.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check which authorization checks failed. This will provide insight into what specific authorizations are missing.
  Review the user’s roles and authorizations in transaction SU01 (User Maintenance) or PFCG (Role Maintenance).
  
  
  
  Modify Roles:
  
  If you have the necessary permissions, you can modify the user’s roles to include the required authorization objects. Common authorization objects related to material management include:
  
  M_MATE_MAR (Material Master: General Data)
  M_MATE_MAT (Material Master: Plant Data)
  M_MATE_MAINT (Material Master: Maintenance)
  
  
  Ensure that the roles include the necessary activities (like create, change, display) for the relevant objects.
  
  
  
  Consult with Security Team:
  
  If you do not have the necessary permissions to change roles, contact your SAP security team or administrator. Provide them with the error message and the context in which it occurred, so they can assist in granting the appropriate authorizations.
  
  
  
  Testing:
  
  After adjustments are made, test the functionality again to ensure that the user can now maintain compatibility information without encountering the error.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation for detailed information on authorization objects and their usage in material management.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues or provide additional guidance on authorization problems.
  Training: Consider training sessions for users who frequently encounter authorization issues to help them understand the roles and permissions structure in SAP.
  
  By following these steps, you should be able to resolve the authorization issue related to the error message /ISDFPS/ME_CA_MB051.