How To Fix CTS_CONFIG_MSG_CL020 - Plug-ins not up-to-date or inconsistent

CTS_CONFIG_MSG_CL020 - Overview

• Message type: E = Error

• Message class: CTS_CONFIG_MSG_CL - Message Class for Central CTS Configuration

• Message number: 020

• Message text: Plug-ins not up-to-date or inconsistent

What causes this issue?

The CTS plug-ins contain help functions that allow you to control and
monitor the transport functions of SAP systems from "outside".
The CTS plug-ins need to be updated on the managed system. You must
distribute the CTS plug-ins to this system.
&PREREQUISITES&
The following prerequisites must be fulfilled for the distribution:
The import destination exists between the CTS Server and the managed
system.
The required version of the transport tools exists in the system. To
find out the version that is required for your system, refer to SAP Note
1665940.

How to fix this error?

Select the row of the system to which you want to distribute the CTS
plug-ins and choose "Distribute Plug-Ins".
Confirm that you want to distribute the CTS plug-ins to this system.
<ZH>Attention</>: The update takes place by importing a transport
request. Doing this changes your system state.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CTS_CONFIG_MSG_CL020 - Plug-ins not up-to-date or inconsistent ?

  The SAP error message CTS_CONFIG_MSG_CL020 indicates that the plug-ins in your system are either not up-to-date or inconsistent. This error typically arises in the context of the Change and Transport System (CTS) when there are discrepancies between the versions of the software components or when the configuration is not aligned across the systems involved in the transport process.
  Causes:
  
  Version Mismatch: The plug-ins installed on the source and target systems may not match in terms of version or patch level.
  Incomplete Installation: The plug-ins may not have been installed correctly or completely.
  
  Configuration Issues: There may be inconsistencies in the configuration settings of the CTS or the transport landscape.
  Missing Dependencies: Certain required components or dependencies for the plug-ins may be missing or not properly configured.
  
  Solutions:
  
  
  Check Plug-in Versions:
  
  Verify the versions of the plug-ins installed on both the source and target systems. Ensure they are the same and up-to-date.
  You can check the installed versions using transaction