M3655 - Maintain a special characteristic code

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 655

• Message text: Maintain a special characteristic code

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 M3655 - Maintain a special characteristic code ?

  The SAP error message M3655, which states "Maintain a special characteristic code," typically occurs in the context of materials management or production planning when the system requires a specific characteristic code to be defined for a material or a characteristic that is being processed.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Missing Characteristic Code: The material or characteristic being processed does not have a special characteristic code assigned to it.
  Configuration Issues: The configuration settings in the system may not be properly set up to handle the special characteristics for the material type or the process being executed.
  Data Entry Errors: There may be an oversight in data entry where the characteristic code was not filled in or was incorrectly entered.
  
  Solution:
  To resolve the M3655 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check if the special characteristic code is maintained for the relevant views (e.g., Basic Data, Classification).
  If it is missing, you can add it using transaction code MM02.
  
  
  
  Maintain Characteristic Codes:
  
  If you need to create or modify characteristic codes, you can do this in the classification system (transaction code CL02 for changing characteristics).
  Ensure that the characteristic is assigned to the appropriate class and that the class is assigned to the material.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the SAP system related to the material type and characteristics. This can be done in the SPRO transaction under the relevant sections for material management or classification.
  Ensure that the necessary settings for special characteristics are activated.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the specific module you are working with to understand the requirements for maintaining special characteristic codes.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to maintain the material master and characteristic codes. If not, contact your SAP administrator.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), CL02 (Change Characteristic), CL03 (Display Characteristic).
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the M3655 error and maintain the necessary special characteristic codes in your SAP system.