Message type: E = Error
Message class:  SEPMH_DG - EPM HANA DG - Messages 
Message number: 103
Message text: Access to database table &1 forbidden
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 SEPMH_DG103, which states "Access to database table &1 forbidden," typically indicates that the user does not have the necessary authorizations to access a specific database table in the SAP system. This can occur in various scenarios, such as when trying to execute a transaction, report, or program that requires access to certain data.
Cause: Authorization Issues: The most common cause is that the user lacks the required authorization object to access the specified database table. This could be due to missing roles or authorizations in the user's profile. Table Protection: Some tables may be protected or restricted for certain users or roles to prevent unauthorized access to sensitive data. Configuration Errors: There may be configuration issues in the authorization management settings that restrict access to certain tables.
Solution: Check User Authorizations: Use transaction code SU53 immediately after encountering the error to check the authorization check that failed. This will provide insights into which
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