If it has reached here either Recover Point credential is wrong or plink output is not printing Store key in cache? (y/n)

Hi I ma getting this error using the meditech module.

how do i know which user to use and password

Plink command to execute is: "C:\Program Files\EMC\SYMCLI\shlib\plink.exe" -ssh meditech@xx.xx.x.xxx get_version -xml

77076:nsrmedisv:PlinkConnect.cpp (409) Could not not execute "n" on cache the hashkey.                           If it has reached here either Recover Point credential is wrong                           or plink output is not printing Store key in cache? (y/n)                            Kindly try to cache the hash key using plink