Message type: E = Error
Message class:  USMDZ3 - Nachrichtenklasse zum UI des User-Interfaces 
Message number: 084
Message text: &1 &2: For account &3, select the debit/credit ind. or enter field &4
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The SAP error message USMDZ3084 typically occurs in the context of financial accounting or controlling when there is an issue with the configuration of accounts in the system. This error indicates that for a specific account, the system requires a debit/credit indicator or a specific field to be filled in, but it has not been provided.
Cause: Missing Debit/Credit Indicator: The account in question does not have a debit/credit indicator assigned, which is necessary for the system to determine how to process transactions involving that account.
Configuration Issues: There may be a configuration issue in the account settings within the SAP system, such as missing or incorrect settings in the chart of accounts or account type. Data Entry Error: The user may have failed to enter the required information in the relevant fields when trying to post a transaction.
Solution: Check Account Configuration: Go to the account master data for the account specified in the error message
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