How To Fix DMC_RT_MSG202 - Communication error occurred by calling function module in sender system

DMC_RT_MSG202 - Overview

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 202

• Message text: Communication error occurred by calling function module in sender system

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?

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG202 - Communication error occurred by calling function module in sender system ?

  The SAP error message DMC_RT_MSG202 indicates that a communication error occurred when calling a function module in the sender system. This error is typically related to issues in the Data Migration Cockpit (DMC) or during data transfer processes between systems.
  Causes:
  
  Network Issues: There may be network connectivity problems between the source and target systems.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module in the sender system.
  Function Module Errors: The function module being called may not exist, may be inactive, or may have been modified incorrectly.
  
  Configuration Issues: Incorrect configuration settings in the DMC or in the RFC (Remote Function Call) destination.
  System Performance: High load on the sender system may lead to timeouts or communication failures.
  Version Compatibility: Incompatibility between different SAP versions or components.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or traceroute to diagnose network