Message type: E = Error
Message class:  USMDZ3 - Nachrichtenklasse zum UI des User-Interfaces 
Message number: 304
Message text: &1 &2 Maximum field length is 30 characters
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The SAP error message USMDZ3304 indicates that a certain field has exceeded the maximum allowed length of 30 characters. This error typically occurs in the context of data management, particularly when working with Master Data Governance (MDG) or similar modules where data integrity and adherence to defined field lengths are crucial.
Cause: The error is triggered when a user attempts to input or upload data into a field that has a defined maximum length of 30 characters, and the input exceeds this limit. This can happen in various scenarios, such as: Data entry in a transaction or form. Data import from external sources (e.g., CSV files). Data replication or synchronization processes.
Solution: To resolve the USMDZ3304 error, you can take the following steps: Identify the Field: Check the error message for the specific field that is causing the issue. The placeholders &1 and &2 in the error message will typically indicate the field name and the value that
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