Message type: E = Error
Message class:  FI_E - Message Class for FM English Developers 
Message number: 302
Message text: Document: &1, Line Item: &2
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message FI_E302 typically indicates an issue related to a financial document, specifically concerning a line item within that document. The message format usually includes placeholders for the document number (&1) and the line item number (&2), which helps identify the specific transaction that is causing the error.
Cause: The error can arise from several potential issues, including but not limited to: Missing or Incorrect Data: The line item may have missing or incorrect data, such as account numbers, amounts, or other required fields. Posting Period Issues: The posting period for the document may be closed or not open for posting. Account Configuration: The account involved in the transaction may not be configured correctly, such as being blocked or not allowed for the type of transaction being processed. Currency Issues: There may be discrepancies in currency conversion or currency settings for the document. Document Type Restrictions: The document type may have specific restrictions that are
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