Message type: E = Error
Message class:  IDFIHU - FI Developments for Hungary 
Message number: 155
Message text: Document &1 / &2 / &3 is not down payment
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The SAP error message IDFIHU155 indicates that the document you are trying to process is not recognized as a down payment. This error typically occurs in the context of financial transactions where down payments are involved, such as in accounts receivable or accounts payable processes.
Cause: Document Type: The document you are trying to process may not be of a type that is classified as a down payment. For example, it could be a standard invoice or another type of financial document.
Configuration Issues: The system may not be configured correctly to recognize certain document types as down payments. Incorrect Document Reference: The document number or reference you are using may not correspond to a valid down payment document. Posting Errors: There may have been an error in the posting process that caused the document to be incorrectly classified.
Solution: Check Document Type: Verify that the document you are trying to process is indeed a down payment.
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