How To Fix /IBX/PE_CORE_SRV021 - Class name "&1" is invalid.

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBX/PE_CORE_SRV -

• Message number: 021

• Message text: Class name "&1" is invalid.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IBX/PE_CORE_SRV021 - Class name "&1" is invalid. ?

  The SAP error message /IBX/PE_CORE_SRV021 Class name "&1" is invalid typically indicates that there is an issue with the class name being referenced in your SAP system. This error is often encountered in the context of SAP Business Technology Platform (BTP) or when working with specific applications that utilize the SAP Integration Suite or SAP Cloud Platform.
  Cause:
  
  Invalid Class Name: The class name specified in the error message is either misspelled, does not exist, or is not properly defined in the system.
  Namespace Issues: The class might be in a different namespace that is not accessible or not properly configured.
  Transport Issues: If the class was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified class.
  
  Solution:
  
  Check Class Name: Verify that the class name provided in the error message is correct. Ensure there are no typos or incorrect characters.
  Class Existence: Use transaction SE80 or SE24 to check if the class exists in the system. If it does not exist, you may need to create it or transport it from another system.
  Namespace Verification: Ensure that the class is in the correct namespace and that your user has access to it.
  Authorization Check: Verify that the user has the necessary authorizations to access the class. You can check this using transaction SU53 after the error occurs.
  Transport Check: If the class was recently transported, check the transport logs to ensure that it was transported successfully and that there were no errors during the transport process.
  System Consistency: If the issue persists, consider running consistency checks or consulting with your SAP Basis team to ensure that the system is in a stable state.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Documentation: Review the documentation for the specific SAP application or module you are working with to understand the expected class names and their usage.
  Community Forums: Consider reaching out to SAP Community forums or other user groups for additional insights or similar experiences from other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.