Message type: E = Error
Message class:  CRM_UIU_IC_BTXA - Business transaction assignment 
Message number: 004
Message text: Can not leave both Central Person and Organization empty
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The SAP error message CRM_UIU_IC_BTXA004 indicates that both the Central Person and Organization fields cannot be left empty when trying to create or process a business transaction in the SAP CRM system. This error typically occurs in the context of creating or managing business transactions, such as service requests, sales orders, or other customer-related activities.
Cause: The error arises because the system requires at least one of the two fields—Central Person (often representing a customer or contact) or Organization (representing a business entity or company)—to be filled in. Leaving both fields empty means that the system does not have enough information to identify the relevant parties involved in the transaction.
Solution: To resolve this error, you should ensure that at least one of the following fields is populated: Central Person: Enter a valid Central Person (customer or contact) in the relevant field. This could be a customer number or a contact person associated with the
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