How To Fix WZ232 - Module pool & cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 232

• Message text: Module pool & cannot be deleted

What causes this issue?

The module pool was not created with this program.

How to fix this error?

Use the <DS:TRAN.SE80>development environment</> to delete the module
pool.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WZ232 - Module pool & cannot be deleted ?

  SAP Error Message:
  
  WZ232 – Module pool & cannot be deleted
  
  Cause:
  This error occurs when you try to delete a module pool program (a type of ABAP program used for dialog programming) that is currently in use or referenced elsewhere in the system. Common reasons include:
  
  The module pool is assigned to a transaction code.
  The module pool is part of a transport request that is locked or not released.
  The module pool is referenced by other programs, function modules, or screens.
  The module pool is currently locked by another user or session.
  The module pool is part of a package or development object that restricts deletion.
  
  
  Solution:
  To resolve the error and successfully delete the module pool, follow these steps:
  
  
  Check Transaction Code Assignment:
  
  Go to transaction SE93 (Transaction Code Maintenance).
  Search for any transaction codes linked to the module pool.
  If found, delete or reassign the transaction code before deleting the module pool.
  
  
  
  Check for References:
  
  Use Where-Used List in SE80 or SE38 to find references to the module pool.
  Remove or adjust references if possible.
  
  
  
  Check Lock Entries:
  
  Use transaction SM12 to check if the module pool is locked.
  If locked by another user/session, coordinate to unlock or wait until the lock is released.
  
  
  
  Check Transport Requests:
  
  Verify if the module pool is part of any transport request.
  Release or delete the transport request if appropriate.
  
  
  
  Delete Screens and Related Objects:
  
  Ensure all screens (dynpros) and related objects of the module pool are deleted or removed.
  
  
  
  Use Proper Deletion Method:
  
  Use SE80 (Object Navigator) to delete the module pool program.
  Right-click on the program and select Delete.
  Confirm deletion and ensure no errors occur.
  
  
  
  Check Authorizations:
  
  Ensure you have the necessary authorizations to delete development objects.
  
  
  
  
  Related Information:
  
  Module Pool Programs: These are ABAP programs designed for dialog programming with screens (dynpros).
  Transaction Codes: Often linked to module pools; deleting the transaction code first is necessary.
  Locks and Transports: Locks prevent concurrent changes; transports manage changes across systems.
  Where-Used List: Essential to identify dependencies before deletion.
  SAP Notes: Check SAP Service Marketplace for any notes related to WZ232 for specific system versions.
  
  
  If after these steps the error persists, consider:
  
  Consulting your SAP Basis team for system locks or transport issues.
  Checking SAP OSS Notes for any patches or known bugs related to WZ232.
  Reviewing system logs (SM21) for additional error details.
  
  
  Summary:
  
  WZ232 error occurs because the module pool is still referenced or locked. To delete it, remove all references (transaction codes, screens), ensure no locks exist, release transports, and then delete the module pool using SE80.