How To Fix 5W052 - Invalid name for function module (&1).

SAP Error Message - Details

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 052

• Message text: Invalid name for function module (&1).

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 5W052 - Invalid name for function module (&1). ?

  The SAP error message 5W052: Invalid name for function module (&1) typically indicates that there is an issue with the naming convention or the existence of the specified function module in the SAP system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Invalid Naming Convention: The function module name provided does not adhere to the SAP naming conventions. Function module names must follow specific rules, such as starting with a letter and containing only alphanumeric characters and underscores.
  Non-Existent Function Module: The function module specified in the error message does not exist in the SAP system. This could be due to a typo or because the function module has not been created or activated.
  Authorization Issues: The user may not have the necessary authorizations to access the function module, leading to the system not recognizing it.
  Transport Issues: If the function module was recently transported from another system, it may not have been properly imported or activated in the target system.
  
  Solution:
  
  Check the Function Module Name: Verify that the function module name is correctly spelled and follows the SAP naming conventions. Ensure that it starts with a letter and contains only valid characters.
  Verify Existence: Use transaction code SE37 (Function Builder) to check if the function module exists. If it does not exist, you may need to create it or check with your development team.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the function module. You can check this using transaction code SU53 after the error occurs to see if there are any authorization issues.
  Transport Check: If the function module was recently transported, check the transport logs to ensure that it was successfully imported and activated. You can use transaction code SE09 or SE10 to review transport requests.
  Activation: If the function module exists but is not activated, activate it using transaction code SE37.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on naming conventions and function module creation.
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for relevant notes in the SAP Support Portal.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.