How To Fix CRM_ERP_IL026 - Class '&2' derived from object '&1' could not be instantiated

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_ERP_IL -

• Message number: 026

• Message text: Class '&2' derived from object '&1' could not be instantiated

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 CRM_ERP_IL026 - Class '&2' derived from object '&1' could not be instantiated ?

  The SAP error message CRM_ERP_IL026 indicates that there is an issue with the instantiation of a class in the context of the SAP CRM and ERP integration. This error typically arises when the system is unable to create an instance of a specified class derived from a particular object. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  
  Missing Class Definition: The class specified in the error message may not be defined in the system. This could happen if the class was deleted or not properly transported from a development environment to production.
  
  
  Incorrect Class Name: There may be a typo or incorrect naming in the class name or object reference, leading to the system being unable to find the class.
  
  
  Authorization Issues: The user or process attempting to instantiate the class may not have the necessary authorizations to access it.
  
  
  Configuration Issues: There may be configuration settings in the CRM or ERP system that are not correctly set up, leading to the inability to instantiate the class.
  
  
  System Version Compatibility: If there are version mismatches between the CRM and ERP systems, certain classes may not be compatible.
  
  
  Solutions:
  
  
  Check Class Definition: Verify that the class specified in the error message exists in the system. You can do this by using transaction SE24 (Class Builder) to search for the class.
  
  
  Correct Class Name: Ensure that the class name and object reference are correctly specified in the configuration or code. Look for any typos or incorrect references.
  
  
  Review Authorizations: Check the user roles and authorizations to ensure that the user or process has the necessary permissions to access and instantiate the class.
  
  
  Configuration Review: Review the configuration settings in both the CRM and ERP systems to ensure they are correctly set up for integration. This may involve checking settings in transaction SPRO or other relevant configuration transactions.
  
  
  System Compatibility Check: Ensure that both the CRM and ERP systems are compatible and that any necessary updates or patches have been applied.
  
  
  Debugging: If the issue persists, consider using the debugger to trace the execution and identify where the instantiation is failing.
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for CRM and ERP integration to ensure that all necessary steps and configurations have been followed.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.