How To Fix WER151 - Class &1 does not exist

WER151 - Overview

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 151

• Message text: Class &1 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 WER151 - Class &1 does not exist ?

  The SAP error message:
  WER151 Class &1 does not exist
  typically occurs when the system tries to access or reference a class that is not defined or not available in the system.
  
  Cause
  
  The class name specified (represented by &1 in the message) does not exist in the SAP system.
  This can happen if:
  The class was deleted or not yet created.
  There is a typo or incorrect class name in the program or configuration.
  The class belongs to a package or development object that is not imported or activated.
  The system is trying to instantiate or reference a class that is not transported or available in the current system/client.
  
  
  
  
  Solution
  
  
  Check the class name:
  
  Verify the exact class name used in the program or configuration.
  Use transaction SE24 (Class Builder) to check if the class exists.
  
  
  
  Create or activate the class:
  
  If the class does not exist, create it if you have the authorization.
  If the class exists but is inactive, activate it.
  
  
  
  Correct the reference:
  
  If