Message type: E = Error
Message class: R- -
Message number: 304
Message text: Maintain all the required field for MODUS &
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R-304
- Maintain all the required field for MODUS & ?The SAP error message R-304, which states "Maintain all the required fields for MODUS &," typically occurs when there are missing mandatory fields in the configuration or data entry for a specific module or transaction in SAP. The "MODUS" refers to a specific mode or configuration setting that is required for the transaction you are trying to execute.
Cause: Missing Mandatory Fields: The most common cause of this error is that one or more required fields have not been filled out in the transaction or configuration screen. Incorrect Configuration: The configuration settings for the module may not be set up correctly, leading to missing required fields. Data Inconsistencies: There may be inconsistencies in the data that prevent the transaction from being processed correctly. User Authorizations: Sometimes, the user may not have the necessary authorizations to view or edit certain fields.
Solution: Check Required Fields: Review the transaction or configuration screen to ensure that all mandatory fields are
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