How To Fix MS637 - Prohibited starting indicator

SAP Error Message - Details

• Message type: E = Error

• Message class: MS - SAP customer enhancement project messages

• Message number: 637

• Message text: Prohibited starting indicator

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 MS637 - Prohibited starting indicator ?

  The SAP error message MS637, which states "Prohibited starting indicator," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when there is an issue with the configuration of a material or production order. This error indicates that the system has detected a starting indicator that is not allowed for the operation you are trying to perform.
  Causes:
  
  Incorrect Configuration: The material or production order may have been configured with a starting indicator that is not permitted for the current operation.
  Status of the Order: The production order may be in a status that does not allow for the operation you are trying to perform (e.g., it may be closed or technically completed).
  Material Master Settings: The material master record may have settings that restrict certain operations based on the starting indicator.
  Routing Issues: The routing for the production order may not be set up correctly, leading to the use of a prohibited starting indicator.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the material and production order. Ensure that the starting indicator is appropriate for the operation you are trying to perform.
  Review Order Status: Check the status of the production order. If it is not in a status that allows for the operation, you may need to change the status or create a new order.
  Material Master Review: Inspect the material master record for any restrictions related to the starting indicator. Make necessary adjustments if required.
  Routing Verification: Ensure that the routing for the production order is correctly defined and that it allows for the intended operations.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the starting indicators and their allowed configurations.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO01 (Create Production Order), CO02 (Change Production Order), or MM02 (Change Material) to investigate and resolve the issue.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the production order or material master settings.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.