Message type: E = Error
Message class:  FIN_FO_SSCUI - Messages for SSCUIs 
Message number: 000
Message text: G/L Account mask must consist of 10 characters. Please add '+' as prefix.
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The SAP error message FIN_FO_SSCUI000 indicates that there is an issue with the format of a General Ledger (G/L) account number being used in a transaction or configuration. Specifically, the error states that the G/L account mask must consist of 10 characters and that a '+' character should be added as a prefix.
Cause: Incorrect G/L Account Format: The G/L account number you are trying to use does not meet the required format of 10 characters. This could be due to: The account number being too short (less than 10 characters). The account number being too long (more than 10 characters). The account number not starting with the required '+' prefix. Configuration Settings: The system may be configured to require a specific format for G/L accounts, which includes a fixed length and a prefix.
Solution: Check the G/L Account Number: Ensure that the G/L account number you are entering is exactly 10 characters long. If it is shorter,
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