This error message may refer to triggers in Consolidation & Distribution jobs or to a script in Script job.
The displayed error code is not a Resilio Connect error code. It is returned either by the script itself or by one of system calls from the script. Recheck the script itself and update as needed.
Error codes
SE_POST_COMMAND_FAILED
SE_PRE_COMMAND_FAILED
SE_COMPLETE_COMMAND_FAILED