Message type: E = Error
Message class:  FI_LU - Message class for Luxembourg VAT Reporting 
Message number: 112
Message text: You do not have authorization to execute this Transaction
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 FI_LU112, which states "You do not have authorization to execute this Transaction," typically indicates that the user attempting to execute a specific transaction does not have the necessary authorization rights assigned to their user profile. This is a common issue in SAP systems where access control is strictly enforced to ensure data security and compliance.
Cause: Missing Authorization Object: The user lacks the required authorization object that is necessary to execute the transaction. Role Assignment: The user may not have been assigned the appropriate role that includes the necessary authorizations for the transaction. Profile Issues: The user’s profile may not be updated or may not include the necessary permissions. Transaction Code Restrictions: The transaction code may be restricted for certain user groups or roles.
Solution: Check User Roles: Go to transaction code SU01 (User Maintenance) and enter the user ID. Check the roles assigned to the user and ensure that the role containing the necessary
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FI_LU111 Enter one company code only.
What causes this issue?  You have tried to run the <LS>Advance Return for Tax on Sales/Purchases </> (<NP>RFUMSV00</>) program...
FI_LU109 You must specify a file name for DME creation
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FI_LU113 Control of box & failed: box & is not filled.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FI_LU114 You have no authorization to change data of company code &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.