Message type: E = Error
Message class:  CNVMBTRFC - Messages used in RFC Management and its objects 
Message number: 003
Message text: Did not found a version for destination &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 CNVMBTRFC003 indicates that the system could not find a version for the specified destination. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
Cause: Missing Version: The specified destination does not have a corresponding version defined in the system. This could happen if the destination was not properly configured or if the version was deleted or not created.
Configuration Issues: There may be issues with the configuration of the RFC (Remote Function Call) destination in the SAP system. Transport Issues: If the destination was recently transported from another system, the version might not have been included in the transport. Authorization Issues: The user executing the process may not have the necessary authorizations to access the version for the specified destination.
Solution: Check Destination Configuration: Go to transaction SM59 and check the configuration of the RFC destination. Ensure
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNVMBTRFC002 All systems are MDMP systems but differently used code pages.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVMBTRFC001 No destinations for checking were submitted.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVMBTRFC004 Information can not be displayed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVMBTRFC005 Combination of code pages not supported (see note 1662586).
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.