How To Fix /PM0/3FW_CHK_MESS535 - Target class &1 of entity model &2 (subentity: &3) does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FW_CHK_MESS -

• Message number: 535

• Message text: Target class &1 of entity model &2 (subentity: &3) does not exist

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 /PM0/3FW_CHK_MESS535 - Target class &1 of entity model &2 (subentity: &3) does not exist ?

  The SAP error message /PM0/3FW_CHK_MESS535 indicates that there is an issue with the entity model in your SAP system. Specifically, it states that the target class of the entity model does not exist. This can occur in various scenarios, particularly when working with custom developments, enhancements, or when integrating with other systems.
  Cause:
  
  Missing Class Definition: The target class specified in the error message is not defined in the system. This could be due to a missing transport or an incomplete implementation.
  Incorrect Configuration: The entity model may be incorrectly configured, pointing to a class that does not exist or has been deleted.
  Transport Issues: If the system has recently undergone a transport, the class may not have been included or properly activated in the target system.
  Namespace Issues: If the class is in a different namespace and not properly referenced, it may lead to this error.
  Development Errors: If the class was recently developed or modified, there may be errors in the code that prevent it from being recognized.
  
  Solution:
  
  Check Class Existence: Verify that the target class exists in the system. You can do this by using transaction SE80 or SE24 to search for the class.
  Review Configuration: Check the configuration of the entity model to ensure that it is pointing to the correct class. This can be done in the relevant customizing transactions.
  Transport Management: If the issue arose after a transport, ensure that all necessary objects were included in the transport request and that they have been successfully imported into the target system.
  Activate Classes: If the class exists but is not activated, activate it using transaction SE80 or SE24.
  Check for Errors: Review the development logs or the class implementation for any syntax or runtime errors that may prevent the class from being recognized.
  Namespace Verification: Ensure that the class is in the correct namespace and that there are no conflicts with other classes.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE24 (Class Builder) to investigate the class and entity model.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Debugging: If necessary, you can debug the process to see where the error is being triggered and gather more context about the issue.
  Documentation: Review any documentation related to the entity model and its configuration to ensure compliance with best practices.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.