How To Fix /IWXBE/CM_COS001 - Repository '&1' instantiation of class '&2' failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CM_COS -

• Message number: 001

• Message text: Repository '&1' instantiation of class '&2' failed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWXBE/CM_COS001 - Repository '&1' instantiation of class '&2' failed ?

  The SAP error message /IWXBE/CM_COS001 Repository '&1' instantiation of class '&2' failed typically indicates an issue with the instantiation of a class in the context of the SAP Business Object Repository (BOR) or a related component. This error can arise due to various reasons, including configuration issues, missing components, or problems with the underlying data model.
  Possible Causes:
  
  Missing or Incomplete Configuration: The repository or class may not be properly configured or may be missing required parameters.
  Authorization Issues: The user may not have the necessary authorizations to access the repository or class.
  Class Not Found: The specified class may not exist in the system or may not be activated.
  Data Model Issues: There may be inconsistencies or errors in the data model that prevent the class from being instantiated.
  Transport Issues: If the class or repository was recently transported from another system, there may be issues with the transport itself.
  
  Solutions:
  
  Check Configuration: Verify that the repository and class are correctly configured. Ensure that all required parameters are set.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the repository and class. You can use transaction SU53 to analyze authorization issues.
  Verify Class Existence: Check if the class specified in the error message exists in the system. You can do this using transaction SE24 (Class Builder).
  Activate Class: If the class exists but is not activated, activate it in transaction SE24.
  Review Data Model: Check for any inconsistencies in the data model that may be causing the issue. This may involve reviewing related tables and structures.
  Check Transport Logs: If the issue arose after a transport, review the transport logs for any errors or warnings that may indicate what went wrong.
  Debugging: If the issue persists, consider debugging the code to identify where the instantiation is failing. This may require technical expertise.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE24 (Class Builder), SE80 (Object Navigator), and SU53 (Authorization Check).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  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 assistance.