Error backup linux from management server windows

Marcus Rizzo wrote:

Failed to run now: An error occurred while scheduling the task run request.
Additional info:
--------------------
Error code: 72
Module: 9
LineInfo: d6e6b1a4069ca4d6
Fields: $module : mms_lxa64_37975
Message: Failed to run now: An error occurred while scheduling the task run request.
--------------------
Error code: 2126
Module: 9
LineInfo: 9e5d09f7da87d0c
Fields: $module : mms_lxa64_37975
Message: Failed to find the module that is required for Scheduler.
--------------------

Actually, my linux can found on "machines with agent", but, when try to make backup, acronis presents these error. Why?

Check if /usr/lib/Acronis/Schedule/schedwrapper exists on machine with agent.