Message type: E = Error
Message class:  CNV_MBT_SNAP - Messages for Snap Schor Integration 
Message number: 023
Message text: Erreonous RFC call for accessing parameter table.
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 CNV_MBT_SNAP023 indicates an erroneous RFC (Remote Function Call) when trying to access a parameter table. This error typically arises in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. Causes: RFC Connection Issues: The RFC connection to the target system may not be properly configured or may be down. Authorization Problems: The user executing the RFC call may not have the necessary authorizations to access the parameter table. Incorrect Configuration: The parameter table being accessed may not be correctly defined or may not exist in the target system. Network Issues: There may be network connectivity issues between the systems involved in the RFC call. System Version Mismatch: The source and target systems may be running incompatible versions of SAP, leading to issues in accessing certain tables or functions. Solutions: Check RFC Connection: Verify that the RFC destination is correctly configured in transaction SM59. Test the connection
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_MBT_SNAP022 Destination error when readihng parameter table
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_SNAP021 No Hardware Profile name found in parameter table.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_SNAP024 Error reading parameter
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_SNAP025 One or more Parameter could not be inserted in Parameter table
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.