Problem with synchronization

I am trying to use the following script for synchronization:

option echo on
option batch on
open sftp://ivofan:xxx@fantasy-hr.com
synchronize remote F:\Roleplaying\characters /home/ivofan/public_html/ex/private/repo/rpg/characters -criteria=size

I am getting the error "Too many parameters for command 'synchronize'". What am I doing wrong?

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Thanks for pointing that out, everything is in order now.