How To Fix MM_IM_ODATA_API_MDOC020 - Field &1 cannot be set for this operation on serial number level

SAP Error Message - Details

• Message type: E = Error

• Message class: MM_IM_ODATA_API_MDOC - Messages for Material Document OData API

• Message number: 020

• Message text: Field &1 cannot be set for this operation on serial number level

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM_IM_ODATA_API_MDOC020 - Field &1 cannot be set for this operation on serial number level ?

  The SAP error message MM_IM_ODATA_API_MDOC020, which states "Field &1 cannot be set for this operation on serial number level," typically occurs in the context of inventory management and serial number handling in SAP. This error indicates that there is an attempt to set a field that is not allowed for the specific operation being performed at the serial number level.
  Cause:
  
  Field Restrictions: The field you are trying to set may not be applicable for the operation you are performing. For example, certain fields may only be editable during specific transactions or under certain conditions.
  Serial Number Management: The operation may involve serial number management, and the field in question may not be allowed to be modified for the serial number in the current context.
  Data Consistency: The system may be enforcing data consistency rules that prevent certain fields from being changed based on the current state of the serial number or the material document.
  
  Solution:
  
  Check Field Applicability: Review the documentation or configuration for the specific field you are trying to set. Ensure that it is allowed for the operation you are performing.
  Review Serial Number Status: Check the status of the serial number you are working with. Some fields may only be editable when the serial number is in a specific status (e.g., not yet posted, in stock, etc.).
  Use Correct API/Method: Ensure that you are using the correct OData API or method for the operation you are trying to perform. Some operations may require different endpoints or methods that allow for the modification of certain fields.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error message. SAP frequently updates its knowledge base with solutions to common issues.
  Debugging: If you have access to the system, consider debugging the OData service to see the exact request being sent and the response from the server. This can provide insights into why the error is occurring.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific OData service you are using. This documentation often includes details about which fields are editable and under what conditions.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. You can find discussions and solutions that may be relevant to your situation.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., MM01, MM02, MIGO) that may help you understand the context of the operation you are performing.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or a consultant who specializes in SAP MM (Materials Management) for further assistance.