Message type: E = Error
Message class:  VTX - Messages from tracking notification processing 
Message number: 812
Message text: Only departure is allowed for the first connection point of a route
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 VTX812, which states "Only departure is allowed for the first connection point of a route," typically occurs in the context of transportation management or logistics within the SAP system. This error indicates that there is an issue with the way the route is defined, particularly concerning the first connection point.
Cause: The error arises when the first connection point in a route is not set up correctly. In transportation planning, the first connection point should represent a departure location, such as a warehouse or distribution center. If the system detects that the first connection point is not designated as a departure point (for example, if it is mistakenly set as a destination), it will trigger this error.
Solution: To resolve the VTX812 error, you can follow these steps: Check Route Definition: Navigate to the route definition in the SAP system. Ensure that the first connection point is correctly defined as a departure point.
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
VTX811 The node entered (&1) does not exist on route &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
VTX810 The tracking data entered is incomplete
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
VTX813 Only "arrival" or "binding arrival" allowed at the last point of a route
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
VTX814 No older tracking data exists, cancellation not possible
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.