How To Fix /IWBEP/CM_SBMG029 - Special Characters are not allowed in the Model Provider Class name '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_SBMG -

• Message number: 029

• Message text: Special Characters are not allowed in the Model Provider Class name '&1'

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 /IWBEP/CM_SBMG029 - Special Characters are not allowed in the Model Provider Class name '&1' ?

  The SAP error message /IWBEP/CM_SBMG029 indicates that there are special characters present in the name of the Model Provider Class, which is not allowed. This error typically occurs when you are trying to create or modify a Model Provider Class in the SAP Gateway framework, and the name you have provided contains invalid characters.
  Cause:
  The error is caused by the use of special characters in the name of the Model Provider Class. Valid names should only contain alphanumeric characters (A-Z, a-z, 0-9) and underscores (_). Special characters such as spaces, punctuation marks, or symbols are not permitted.
  Solution:
  To resolve this error, follow these steps:
  
  
  Check the Class Name: Review the name of the Model Provider Class you are trying to create or modify. Ensure that it adheres to the naming conventions.
  
  
  Rename the Class: If the name contains special characters, rename the class to remove any invalid characters. Use only letters, numbers, and underscores.
  
  
  Consistency: Ensure that the new name is consistent with any references to the class in your code or configuration.
  
  
  Recreate if Necessary: If you are unable to rename the class due to existing dependencies, you may need to create a new Model Provider Class with a valid name and migrate any necessary logic or configurations.
  
  
  Test the Changes: After making the changes, test the functionality to ensure that the error is resolved and that the Model Provider Class works as expected.
  
  
  Related Information:
  
  Naming Conventions: Familiarize yourself with SAP's naming conventions for classes and other objects to avoid similar issues in the future.
  SAP Documentation: Refer to the official SAP documentation for the Gateway framework for more details on creating and managing Model Provider Classes.
  Error Handling: Implement error handling in your development process to catch and address such issues early in the development lifecycle.
  
  By following these steps, you should be able to resolve the error and successfully create or modify your Model Provider Class in SAP.