How To Fix OO051 - Referenced class &1 contains errors

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 051

• Message text: Referenced class &1 contains errors

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO051 - Referenced class &1 contains errors ?

  The SAP error message OO051, which states "Referenced class &1 contains errors," typically indicates that there is an issue with the ABAP class or interface that is being referenced in your code. This error can occur during the activation of a class or when trying to use a class that has not been properly defined or has compilation errors.
  Causes:
  
  Syntax Errors: The referenced class may have syntax errors that prevent it from being activated.
  Missing Dependencies: The class may depend on other classes or interfaces that are not activated or have errors.
  Inconsistent State: The class might be in an inconsistent state due to previous changes that were not properly activated.
  Transport Issues: If the class was transported from another system, there might be issues with the transport that caused it to be incomplete or corrupted.
  
  Solutions:
  
  
  Check the Class for Errors:
  
  Go to the ABAP Workbench (SE80 or SE24) and open the class mentioned in the error message.
  Check for any syntax errors or warnings in the class definition and implementation.
  Activate the class to see if the error persists.
  
  
  
  Check Dependencies:
  
  Ensure that all classes and interfaces that the referenced class depends on are activated and do not have errors.
  Use transaction SE80 or SE24 to check the dependencies of the class.
  
  
  
  Re-activate the Class:
  
  Sometimes, simply reactivating the class can resolve the issue. Make sure to activate all related objects.
  
  
  
  Check Transport Requests:
  
  If the class was transported, check the transport request for any issues. You may need to re-import the transport or fix any inconsistencies.
  
  
  
  Debugging:
  
  If the error persists, you may need to debug the code that references the class to identify where the issue lies.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant notes or updates regarding this error message. There may be specific fixes or patches available.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE24 (Class Builder), SE38 (ABAP Editor).
  ABAP Development: Familiarity with ABAP programming and class-based programming concepts is essential for troubleshooting this error.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the OO051 error in SAP.