Message type: E = Error
Message class:  HRTNM_MSG - Message class for Training Needs Management 
Message number: 039
Message text: &1 (IT&2): field &3 (&4) is mandatory
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message HRTNM_MSG039 typically indicates that a mandatory field in the system is not filled out correctly or is missing. This error is often encountered in the context of HR (Human Resources) processes, particularly when dealing with infotypes (IT) that require certain fields to be populated before the record can be saved or processed.
Cause: The error message is triggered when: A mandatory field (denoted by &3) is not filled in during the data entry process. The infotype (denoted by IT&2) being processed requires specific information that has not been provided. The field in question (denoted by &4) is essential for the completion of the infotype and is marked as mandatory in the configuration.
Solution: To resolve this error, you should: Identify the Mandatory Field: Check the error message for the specific field name (represented by &3) and the infotype (IT&2) that is causing the issue. Fill in the Required Information: Navigate to the infotype in question
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