How To Fix CNVMBT146 - RFC-Destinations need to be synchronized again (see longtext)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBT - Messages for MBT/API/PCL

• Message number: 146

• Message text: RFC-Destinations need to be synchronized again (see longtext)

Self-Explanatory Message

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.

What else can you do?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBT146 - RFC-Destinations need to be synchronized again (see longtext) ?

  The SAP error message CNVMBT146 indicates that there is an issue with the synchronization of RFC (Remote Function Call) destinations in the system. 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.
  
  Cause:
  The error message CNVMBT146 usually occurs due to one of the following reasons:
  
  Changes in RFC Destinations: The RFC destinations may have been modified or newly created, and the system requires synchronization to ensure that all relevant components are aware of these changes.
  Network Issues: There may be connectivity issues between the systems that are supposed to communicate via RFC.
  
  Configuration Issues: Incorrect configuration of the RFC destinations can lead to synchronization problems.
  Transport Issues: If the RFC destinations were transported from one system to another, they may not be properly synchronized.
  
  
  Solution:
  To resolve the CNVMBT146 error, you can follow these steps:
  
  
  Synchronize RFC Destinations:
  
  Go to transaction code SM59 (RFC