Message type: E = Error
Message class:  AA - Messages for Asset Accounting 
Message number: 680
Message text: *****Error Messages for Depreciation Posting
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The SAP error message AA680 typically relates to issues encountered during the depreciation posting process in the Asset Accounting (FI-AA) module. This error can arise due to various reasons, and understanding the cause is essential for resolving it effectively. Cause of Error AA680 Missing or Incorrect Configuration: The error may occur if the configuration for the asset or the depreciation area is not set up correctly. This includes missing settings for the depreciation keys, useful life, or other asset parameters. Posting Period Issues: If the posting period is closed or not open for the relevant fiscal year, the system will not allow depreciation postings. Asset Master Data Issues: Incomplete or incorrect asset master data can lead to errors during depreciation posting. This includes missing information such as cost center, location, or asset class. Transaction Type Issues: The transaction type used for the posting may not be valid for the depreciation posting. Authorization Issues: The user may
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