How To Fix MPN01008 - Output length must be between 18 and 40

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN01 - MPN Message: Material Master / customizing

• Message number: 008

• Message text: Output length must be between 18 and 40

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 MPN01008 - Output length must be between 18 and 40 ?

  The SAP error message MPN01008, which states "Output length must be between 18 and 40," typically occurs in the context of configuring output types or communication methods in SAP, particularly when dealing with master data or output management.
  Cause:
  This error usually arises when the output length specified for a certain field or parameter does not meet the required criteria set by the system. Specifically, the output length must be between 18 and 40 characters, and if it falls outside this range, the error will be triggered.
  Solution:
  To resolve the MPN01008 error, you can follow these steps:
  
  
  Check Output Configuration:
  
  Navigate to the output configuration settings in the relevant module (e.g., Sales and Distribution, Material Management).
  Look for the output type that is causing the issue and check the settings related to output length.
  
  
  
  Adjust Output Length:
  
  Ensure that the output length specified for the relevant field is between 18 and 40 characters.
  If you are using a custom output type, verify the settings in the custom configuration and adjust them accordingly.
  
  
  
  Review Master Data:
  
  If the error is related to master data (like customer or vendor records), check the relevant fields in the master data records to ensure they comply with the length requirements.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the output generation process again to confirm that the error has been resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the specific settings or configurations, refer to SAP documentation or help resources for guidance on output management and configuration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like NACE (for output types) or SPRO (for configuration) to access the relevant settings.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the necessary permissions to make changes to output configurations.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.