How To Fix UCUW150 - Generation is necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: UCUW -

• Message number: 150

• Message text: Generation is necessary

What causes this issue?

The database tables and program types generated for the consolidation
area and the data basis need to be updated because they no longer match
the current definition.

System Response

Execution of consolidation programs has been suspended until this update
is performed.

How to fix this error?

You can run the update by choosing <ZK>Generate.</>
<ZH>Warning:</>
An update of generated database tables may delete or invalidate existing
master data and customizing settings. Therefore, before running a
generation, ensure that no live (production) data can be lost.
If you are able to access the system with SAP GUI, you should run the
transaction <DS:TRAN.UGWBCM>UGWBCM</>. This transaction provides you
with details on updating the database tables and its consequences.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCUW150 - Generation is necessary ?

  The SAP error message UCUW150 "Generation is necessary" typically occurs in the context of SAP's ABAP Workbench, particularly when dealing with objects that require generation or recompilation. This message indicates that certain objects, such as function modules, classes, or other repository objects, need to be generated before they can be used.
  Cause:
  
  Changes Made: The most common cause of this error is that changes have been made to the underlying code or structure of an object, and the system requires a generation step to update the object.
  Transport Requests: If the object is part of a transport request that has been imported, it may need to be generated in the target system.
  Dependencies: There may be dependencies on other objects that have changed, necessitating a regeneration of the affected object.
  
  Solution:
  
  
  Generate the Object: 
  
  Navigate to the object that is causing the error (e.g., a function module, class, or program).
  Use the appropriate transaction code (e.g., SE80 for Object Navigator, SE37 for Function Modules, SE24 for Classes) to access the object.
  Look for a "Generate" option (often found in the menu or toolbar) and execute it to regenerate the object.
  
  
  
  Check for Dependencies: 
  
  Ensure that all dependent objects are also generated. Sometimes, multiple objects are interlinked, and generating one may require others to be generated as well.
  
  
  
  Transport Management: 
  
  If the object is part of a transport request, ensure that the transport has been properly imported and that all necessary objects are in sync.
  
  
  
  Check for Syntax Errors: 
  
  Before generating, check for any syntax errors in the code that may prevent successful generation.
  
  
  
  Use Transaction SE38: 
  
  If the object is a report or program, you can also use transaction SE38 to execute the program and see if it prompts for generation.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), SE24 (Class Builder), and SE38 (ABAP Editor).
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the specific object or error message.
  Documentation: Review SAP documentation for best practices on object management and generation processes.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further investigation.