How To Fix CM_EXPERT304 - An error occurred when reading identifier &1 of specification &2

CM_EXPERT304 - Overview

• Message type: E = Error

• Message class: CM_EXPERT - Messages for Expert

• Message number: 304

• Message text: An error occurred when reading identifier &1 of specification &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.

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 CM_EXPERT304 - An error occurred when reading identifier &1 of specification &2 ?

  The SAP error message CM_EXPERT304 indicates that there was an issue when trying to read a specific identifier of a specification in the SAP system. This error typically occurs in the context of SAP's Classification Management or Product Lifecycle Management (PLM) modules, where specifications and identifiers are crucial for managing product data.
  
  Cause:
  
  Missing Specification: The specification identified by &2 may not exist in the system.
  Incorrect Identifier: The identifier &1 may be incorrect or not associated with the specified specification.
  Authorization Issues: The user may not have the necessary permissions to access the specification or identifier.
  Data Corruption: There may be issues with the underlying data, such as corruption or inconsistencies in the database.
  
  Configuration Issues: There may be configuration problems in the classification or specification management settings.
  
  
  Solution:
  
  
  Verify Specification and Identifier:
  
  Check if the specification &2 exists in the system.
  Ensure that the identifier &1 is correctly associated with the specification.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the