How To Fix RM800 - First operation is already reached

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 800

• Message text: First operation is already reached

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 RM800 - First operation is already reached ?

  The SAP error message RM800, which states "First operation is already reached," typically occurs in the context of production planning and execution, particularly when dealing with routing and operations in a production order. This error indicates that the system is trying to process an operation that has already been completed or is not in the correct sequence.
  Causes:
  
  Operation Sequence Issue: The error often arises when the system attempts to execute an operation that is not the next operation in the routing sequence.
  Status of the Production Order: If the production order has already progressed past the operation in question, the system will not allow you to go back to that operation.
  Incorrect Routing: The routing defined for the material may not match the operations being executed, leading to discrepancies.
  Manual Changes: If manual changes were made to the production order or routing, it could lead to inconsistencies.
  
  Solutions:
  
  Check Operation Sequence: Review the routing for the production order to ensure that the operations are being executed in the correct order. Make sure you are trying to process the next operation in the sequence.
  Review Production Order Status: Check the status of the production order. If the order has already been confirmed or completed, you may need to create a new order or adjust the existing one.
  Adjust Routing: If the routing is incorrect, you may need to update it to reflect the correct operations and their sequence.
  Reconfirm Operations: If you need to go back to a previous operation, you may need to reverse the confirmation of subsequent operations, if applicable, depending on your business processes.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling production orders and operations.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order) and CO11 (Confirm Production Order) to manage production orders effectively.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address known issues.
  User Roles and Permissions: Ensure that the user has the necessary permissions to perform operations on production orders, as restrictions may lead to errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and troubleshooting.