Message type: E = Error
Message class:  CRM_CENTRAL_PERSON - Central Person 
Message number: 006
Message text: The business partner is not an organizational unit
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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The SAP error message CRM_CENTRAL_PERSON006 indicates that the business partner you are trying to use is not recognized as an organizational unit in the system. This error typically arises in scenarios where the system expects an organizational unit (like a department or a team) but receives a different type of business partner, such as a person or a customer.
Cause: Incorrect Business Partner Type: The business partner you are trying to use is defined as a person or a customer rather than an organizational unit.
Configuration Issues: The configuration settings in the SAP system may not be set up correctly to recognize the business partner as an organizational unit. Data Entry Errors: There may have been a mistake in entering or selecting the business partner in the transaction.
Solution: Check Business Partner Type: Go to the Business Partner (BP) transaction in SAP (transaction code BP). Search for the business partner in question and check its type. Ensure that
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