How To Fix CRM_IC_CUSTOMIZING2100 - Class &1 does not implement interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IC_CUSTOMIZING2 - IC WebClient Customizing Message Class

• Message number: 100

• Message text: Class &1 does not implement interface &2

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 CRM_IC_CUSTOMIZING2100 - Class &1 does not implement interface &2 ?

  The SAP error message "CRM_IC_CUSTOMIZING2100 Class &1 does not implement interface &2" typically occurs in the context of SAP CRM (Customer Relationship Management) when there is an issue with the configuration of classes and interfaces in the system. This error indicates that a specific class (denoted by &1) is expected to implement a certain interface (denoted by &2), but it does not.
  Cause:
  
  Missing Implementation: The class specified does not implement the required interface. This could be due to a missing or incorrectly defined class.
  Incorrect Configuration: The configuration settings in the CRM system may be pointing to the wrong class or interface.
  Transport Issues: If the class or interface was recently transported from another system, it may not have been transported correctly.
  Custom Development: If there has been custom development, the developer may have forgotten to implement the necessary interface in the class.
  
  Solution:
  
  
  Check Class Implementation:
  
  Go to the ABAP Workbench (SE80) and check the class specified in the error message.
  Ensure that the class implements the required interface. You can do this by checking the class definition and ensuring that the interface is listed in the "Interfaces" section.
  
  
  
  Adjust Configuration:
  
  Review the configuration settings in the CRM system to ensure that they are pointing to the correct class and interface.
  If you are using a customizing transaction, ensure that the entries are correct.
  
  
  
  Transport Check:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  If something is missing, you may need to re-transport the objects.
  
  
  
  Custom Development Review:
  
  If there has been custom development, review the code to ensure that the class implements all methods defined in the interface.
  If necessary, modify the class to implement the required methods.
  
  
  
  Consult Documentation:
  
  Check SAP documentation or notes related to the specific class and interface for any known issues or additional configuration steps.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the application to trace where the error is being triggered and gather more context about the failure.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Development Guidelines: If you are involved in custom development, ensure that you follow SAP's best practices for implementing interfaces and classes.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.