How To Fix ISUDEVCHECK013 - FuMo &: Unable to read function modules from function group &: sy-subrc=&

SAP Error Message - Details

• Message type: E = Error

• Message class: ISUDEVCHECK - IS-U Device Checker: Messages

• Message number: 013

• Message text: FuMo &: Unable to read function modules from function group &: sy-subrc=&

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISUDEVCHECK013 - FuMo &: Unable to read function modules from function group &: sy-subrc=& ?

  The SAP error message ISUDEVCHECK013 typically indicates that there is an issue with reading function modules from a specified function group in the SAP system. The error message format suggests that the system is unable to access or retrieve the function modules due to a specific reason, which is indicated by the sy-subrc value.
  Causes:
  
  Missing Function Module: The function module that the system is trying to access may not exist in the specified function group.
  Authorization Issues: The user may not have the necessary authorizations to access the function modules in the specified function group.
  Transport Issues: If the function group was recently transported, there may have been issues during the transport process that caused the function modules to not be properly activated or available.
  Corrupted Function Group: The function group itself may be corrupted or not properly defined in the system.
  System Configuration Issues: There may be configuration issues in the SAP system that prevent the function modules from being read.
  
  Solutions:
  
  Check Function Module Existence: Verify that the function module exists in the specified function group. You can do this by using transaction SE37 (Function Builder) to search for the function module.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the function modules. You can check this using transaction SU53 to analyze authorization failures.
  Transport Check: If the function group was recently transported, check the transport logs for any errors. You may need to re-transport the function group or manually activate the function modules.
  Activate Function Group: If the function group is not activated, you can activate it using transaction SE80 (Object Navigator) or SE37.
  Check for Corruption: If you suspect corruption, you may need to consult with your SAP Basis team to check the integrity of the function group and its modules.
  Debugging: If the issue persists, you may need to debug the program or report that is generating this error to identify the exact cause.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Builder
  SE80: Object Navigator
  SU53: Authorization Check
  
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  SAP Community: You can also search the SAP Community forums for similar issues and solutions shared by other users.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.