**** unison exited. success: false ****
Usage: unison [options]
or unison root1 root2 [options]
or unison profilename [options]
For a list of options, type "unison -help".
For a tutorial on basic usage, type "unison -doc tutorial".
For other documentation, type "unison -doc topics".
unison was invoked incorrectly (too many roots)
someone know how fix it?