So I have started a Prison Server and have gotten really confused with the Paid Ranks Plugin! I have searched everywhere to find an answer.

I setup my server following everything carefully. Ive tried updating PaidRanks and Vault but still nothing working...

So I start as APrisoner, I type /rankup.. It ranks me to BPrisoner, I type /rankup and it ranks me to BPrisoner again and so on. It just stays at BPrisoner.....

PEX Default Rank and Perms:
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Every other Rank from B-Z:
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Automatically Loads Users: However the "Groups : BPrisoner" doesn't change
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PaidRanks Setup:
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What happens in-game:
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Hit me up on Skype: asacool123
PLEASE HELP THANKYOU <3