Message type: E = Error
Message class:  /MVA/AMV_EUROTAX -  
Message number: 012
Message text: Error occurred while calling data provider at &1
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 /MVA/AMV_EUROTAX012 typically indicates that there was an issue when attempting to call a data provider related to the Eurotax service. This error can occur in various scenarios, particularly when dealing with vehicle data or tax calculations in the automotive industry.
Cause: Connectivity Issues: The system may be unable to connect to the Eurotax data provider due to network issues or incorrect configuration. Configuration Errors: Incorrect settings in the SAP system related to the Eurotax integration can lead to this error. Service Availability: The Eurotax service may be down or experiencing issues, preventing data retrieval. Authorization Issues: The user or system may not have the necessary permissions to access the Eurotax data provider. Data Provider Changes: Changes in the Eurotax API or data provider structure that are not reflected in the SAP configuration.
Solution: Check Connectivity: Ensure that the SAP system can connect to the Eurotax service. This may involve checking network settings, firewalls, and
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/MVA/AMV_EUROTAX011 Error occurred while closing file &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/MVA/AMV_EUROTAX010 The maximum number of open files has been exceeded
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/MVA/AMV_EUROTAX013 Access to file &1 not allowed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/MVA/AMV_EUROTAX014 Insufficient memory for &1 in data provider
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.