Message type: E = Error
Message class:  /SEHS/DG_DG -  
Message number: 831
Message text: No authorization for dangerous goods management in the user master record
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.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message /SEHS/DG_DG831 indicates that a user does not have the necessary authorizations to access Dangerous Goods Management (DGM) functionalities within the SAP system. This is a common issue when users attempt to perform tasks related to dangerous goods without the appropriate permissions set in their user master record.
Cause: The error typically arises due to one or more of the following reasons: Missing Authorizations: The user does not have the required authorization objects assigned in their user profile to access Dangerous Goods Management functionalities. Role Assignment: The user may not be assigned to the correct roles that include the necessary authorizations for DGM. Authorization Profile: The authorization profile assigned to the user may not include the necessary permissions for DGM.
Solution: To resolve this error, you can follow these steps: Check User Authorizations: Use transaction code SU01 to display the user master record. Check the roles assigned to the user and ensure that they include the necessary
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SEHS/DG_DG830 Error while accessing authorization object for DG management
What causes this issue?  An error occurred whilst accessing the authorization object for dangerous goods management.System Response  The system issues...
/SEHS/DG_DG827 You do not have authorization to execute the transaction &1
What causes this issue?  You attempted to start a transaction for which you do not have authorization.System Response  The system does not start the t...
/SEHS/DG_DG832 No profile entered in user master
What causes this issue?  Your user master record does not contain a profile for dangerous goods management. The system issues an error message and wil...
/SEHS/DG_DG833 Function module call with incorrect object (&1)
What causes this issue?  An error occurred that was not corrected by the program. The error occurred whilst accessing the authorization object. The in...
Click on this link to search all SAP messages.