Message type: E = Error
Message class: CH - CAD/PP integration messages
Message number: 123
Message text: External document number assignment not allowed
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CH123
- External document number assignment not allowed ?The SAP error message CH123 ("External document number assignment not allowed") typically occurs when there is an attempt to assign an external document number in a context where it is not permitted. This can happen in various scenarios, such as during the creation of a document in the SAP system (e.g., a purchase order, invoice, or other financial documents) where the system is configured to generate document numbers internally rather than allowing external assignment. Causes: Configuration Settings: The document type or number range configuration may be set to disallow external number assignment. This is often the case for certain document types that are meant to be internally controlled. Document Type Restrictions: Some document types in SAP are configured to only allow internal number assignment, which means that users cannot manually enter an external document number. User Authorization: The user may not have the necessary permissions to assign external document numbers, depending on the configuration
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