How To Fix 61691 - Class type & not allowed

61691 - Overview

• Message type: E = Error

• Message class: 61 - Fehlermeldungen fuer Bedarfsplanung

• Message number: 691

• Message text: Class type & not allowed

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 61691 - Class type & not allowed ?

  The SAP error message "61691 Class type & not allowed" typically occurs when there is an issue related to the classification system in SAP, particularly when dealing with class types in the context of material management, product data, or similar areas.
  
  Cause:
  The error message indicates that the class type you are trying to use is not allowed for the operation you are attempting to perform. This can happen due to several reasons:
  
  Incorrect Class Type: The class type you are trying to assign to an object (like a material or equipment) is not valid for that object type.
  
  Configuration Issues: The class type may not be properly configured in the system, or it may not be assigned to the relevant object type in the classification system.
  Authorization Issues: The user may not have the necessary authorizations to use the specified class type.
  Object Type Restrictions: Certain class types may be restricted to specific object types,