How To Fix TG660 - *** RDDPUCLS: Driver for command file merge in substitution export system

TG660 - Overview

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 660

• Message text: *** RDDPUCLS: Driver for command file merge in substitution export 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG660 - *** RDDPUCLS: Driver for command file merge in substitution export system ?

  The SAP error message TG660, specifically "RDDPUCLS: Driver for command file merge in substitution export system," typically relates to issues encountered during the execution of background jobs, particularly those involving the merging of command files in the context of data export or transport processes.
  
  Cause:
  
  
  Configuration Issues: The error may arise due to incorrect configuration settings in the transport management system (TMS) or in the background job settings.
  File System Issues: Problems with the file system, such as insufficient permissions, lack of space, or file corruption, can lead to this error.
  Network Issues: If the export system is remote, network connectivity issues can prevent successful communication and data transfer.
  Job Scheduling Conflicts: Conflicts with other scheduled jobs or processes that may be accessing the same resources can also trigger this error.
  
  
  Solution:
  
  Check Configuration: Review the transport management system settings and ensure that all configurations are correct. This includes checking the transport routes and the settings for