How To Fix VHUMI166 - The operation number is copied from the reservation item

SAP Error Message - Details

• Message type: E = Error

• Message class: VHUMI - Messages for material identification

• Message number: 166

• Message text: The operation number is copied from the reservation item

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 VHUMI166 - The operation number is copied from the reservation item ?

  The SAP error message VHUMI166 indicates that there is an issue related to the copying of an operation number from a reservation item. This typically occurs in the context of handling materials and inventory management, particularly when dealing with reservations and stock movements.
  Cause:
  The error message VHUMI166 usually arises due to one of the following reasons:
  
  Missing or Incorrect Reservation: The reservation item may not be properly defined or may not exist in the system.
  Operation Number Issues: The operation number that is being copied may not be valid or may not correspond to the expected format or criteria.
  Data Consistency Issues: There may be inconsistencies in the data related to the reservation or the operation number, such as missing fields or incorrect entries.
  Authorization Issues: The user may not have the necessary permissions to access or modify the reservation or operation number.
  
  Solution:
  To resolve the VHUMI166 error, you can take the following steps:
  
  Check the Reservation: Verify that the reservation item exists and is correctly defined in the system. Ensure that all necessary fields are filled out correctly.
  Validate Operation Number: Ensure that the operation number being copied is valid and corresponds to the correct reservation item. Check for any typos or formatting issues.
  Review Data Consistency: Look for any inconsistencies in the data related to the reservation and operation number. This may involve checking related tables or entries in the system.
  User Authorization: Ensure that the user has the necessary permissions to perform the operation. If not, contact your SAP administrator to grant the required access.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the error message and the context in which it occurs.
  Debugging: If the issue persists, consider using transaction codes like SE80 or SE37 to debug the program or function module that is generating the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB21 (Create Reservation), MB22 (Change Reservation), and MB23 (Display Reservation) to manage reservations effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions.
  Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal IT team for further assistance.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the VHUMI166 error message in SAP.