Message type: E = Error
Message class:  FAGL_CONF - Configuration of Document Splitting 
Message number: 015
Message text: Document splitting rule is not defined
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The SAP error message FAGL_CONF015, which states "Document splitting rule is not defined," typically occurs in the context of financial accounting when document splitting is enabled but the necessary configuration for document splitting rules is missing or incomplete. Document splitting is a feature in SAP that allows for the automatic splitting of accounting documents into multiple line items based on certain criteria, which is essential for producing financial statements at a more granular level.
Cause: Missing Configuration: The document splitting rules have not been defined in the system for the relevant company code or ledger. Incorrect Settings: The settings for document splitting may be incorrectly configured, leading to the system not being able to determine how to split the documents. Company Code Settings: The company code may not have the necessary document splitting settings activated. Transaction Type: The transaction type being used may not have a corresponding document splitting rule defined.
Solution: To resolve the FAGL_CONF015 error,
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