How To Fix C$642 - Error during component search; unit &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 642

• Message text: Error during component search; unit &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$642 - Error during component search; unit &1 does not exist ?

  The SAP error message C$642, which states "Error during component search; unit &1 does not exist," typically occurs when the system is unable to find a specified unit of measure (UoM) or a component in the database during a transaction or process. This can happen in various contexts, such as during material management, production planning, or inventory management.
  Causes:
  
  Non-Existent Unit of Measure: The specified unit of measure (UoM) does not exist in the system.
  Incorrect Configuration: The configuration for the material or component may be incorrect or incomplete.
  Data Inconsistency: There may be inconsistencies in the master data, such as missing or incorrect entries in the material master or unit of measure tables.
  Authorization Issues: The user may not have the necessary authorizations to access the unit of measure or component.
  Transport Issues: If the system has recently undergone a transport, the relevant data may not have been transported correctly.
  
  Solutions:
  
  
  Check Unit of Measure: Verify that the unit of measure specified in the transaction exists in the system. You can do this by navigating to the relevant configuration or master data transaction (e.g., CUNI for unit of measure maintenance).
  
  
  Review Material Master Data: Check the material master data for the component in question. Ensure that all necessary data, including units of measure, is correctly maintained.
  
  
  Configuration Review: If applicable, review the configuration settings related to the material or component. Ensure that all necessary settings are in place.
  
  
  Data Consistency Check: Run consistency checks on the relevant master data to identify and correct any inconsistencies.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to access the unit of measure or component. This can be checked with the help of a security administrator.
  
  
  Transport Validation: If the issue arose after a transport, validate that all necessary objects were transported correctly and that there are no missing dependencies.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional troubleshooting steps or patches.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MM03 (Display Material), CUNI (Maintain Units of Measure), or SE11 (Data Dictionary) to investigate further.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.