How To Fix MDG_LG001 - Communication error; see long text

MDG_LG001 - Overview

• Message type: E = Error

• Message class: MDG_LG - SAP Business Suite Foundation: Activation of Languages

• Message number: 001

• Message text: Communication error; see long text

What causes this issue?

There was a communication error when executing RFC modules
RFC connection: &V1&
Error message: &V2&

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Search for program terminations in the target system of the RFC call
under the user who is entered in the RFC connection (transaction
<DS:TRAN.ST22><LB><EX>ST22</></></>).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MDG_LG001 - Details

• The SAP error message MDG_LG001, which indicates a "Communication error; see long text," typically arises in the context of Master Data Governance (MDG) when there is a failure in communication between the MDG system and another system or service. This could be due to various reasons, including network issues, configuration problems, or issues with the external system being accessed.
  Causes:
  
  Network Issues: Problems with the network connection between the MDG system and the external system can lead to communication errors.
  Configuration Errors: Incorrect settings in the MDG system or the external system (like RFC destinations, logical systems, etc.) can cause communication failures.
  Service Availability: The external service or system may be down or not reachable.
  Authorization Issues: The user or system may not have the necessary permissions to access the external system.
  Data Format Issues: The data being sent or received may not be in the expected format, leading to communication errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that