How To Fix CL757 - This function block cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 757

• Message text: This function block cannot be deleted

What causes this issue?

The function block was generated automatically, so it cannot be
deleted.
Automatically generated function blocks cannot be deleted, because they
are essential to the structure of the program.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL757 - This function block cannot be deleted ?

  The SAP error message CL757, which states "This function block cannot be deleted," typically occurs when you attempt to delete a function block in the SAP system that is either being used or has dependencies that prevent its deletion. Here are some common causes, solutions, and related information regarding this error:
  Causes:
  
  Active Usage: The function block is currently being used in other programs, function modules, or function block diagrams.
  Dependencies: There are dependencies or references to the function block in other objects, such as classes, methods, or interfaces.
  Transport Requests: The function block is part of a transport request that is currently being processed or has not been released.
  Authorization Issues: The user may not have the necessary authorizations to delete the function block.
  
  Solutions:
  
  
  Check Dependencies:
  
  Use transaction SE80 (Object Navigator) or SE37 (Function Module) to check if the function block is being referenced elsewhere.
  Look for any programs, function modules, or other function blocks that might be using it.
  
  
  
  Remove References:
  
  If you find any references, you will need to remove or modify them before attempting to delete the function block again.
  
  
  
  Transport Request:
  
  Ensure that the function block is not part of an active transport request. If it is, you may need to release the transport request or remove the function block from it.
  
  
  
  Check Authorizations:
  
  Verify that you have the necessary authorizations to delete the function block. You may need to consult with your SAP security team if you suspect authorization issues.
  
  
  
  Use the Correct Transaction:
  
  Make sure you are using the correct transaction for deleting function blocks. The typical transaction for managing function blocks is SE37 or SE80.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific function block for any additional information or specific conditions that may apply.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the specific function block you are trying to delete.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If you continue to face difficulties after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.