RankerX error post for Private Network

Anyone know why ranker X post for private Network keep failed, i have more than 50 Web2.0 private blog from Account Creation that i export to Private networ to repost and keep it alive for long term, but no more than 20 private blog RankerX can repost from 50 Private network List i export , If you guys have any idea please share

I suggest you contact RankerX support, they are pretty helpful

already contact and just reply to check my proxy, no clear answer how to fix it

my problem the same somebody can give a tips?