Message type: E = Error
Message class:  TAX_EXEMPT - Message class for tax exempt certificate 
Message number: 008
Message text: Status can not be changed from &1 to &2
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The SAP error message TAX_EXEMPT008 indicates that there is an issue with changing the status of a tax-exempt document or record. The message typically states that the status cannot be changed from one value (represented by &1) to another (represented by &2). This error often arises in the context of tax exemption certificates or similar documents where specific status transitions are restricted based on business rules or system configurations.
Cause: Status Restrictions: The system may have defined rules that prevent certain status changes. For example, a document that is already marked as "Completed" may not be allowed to revert to "In Progress." Document Locking: The document may be locked by another user or process, preventing any changes to its status. Configuration Settings: The configuration settings in the SAP system may restrict certain status transitions based on business logic or compliance requirements. Incomplete Data: Required fields or data may be missing, which is preventing the status
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