Networker only needs apostrophes if a space character is involved. Try to bild up the command from a verysimple 'version' and make it more complicated. This will help ...
i everyone, i usually use mminfo without savetime parameter and get all de savesets to csv file, then i search  with excel an specific date , but i am trying to split this file by month  iusing  with savetime parameter with this command     I tried several  date format : dd-mm-yyyy,mm-dd-yyyy, dd/mm/yyyy, mm/dd/ yyyy,  dd/mm/yyyy hh:mm:ss, mm/dd/ yyyy   hh:mm:ss and i only get an empty file, Nw version 19.2 SO: WS 2016   Thanks in advance  
mminfo savetime parameter