What version of PandaBank are you using and what os?  You should be sure to backup your wallet.dat
You can visit #DigitalPandacoin  or #pandacoinpnd on irc for assistance or email support@DigitalPandacoin.org
If your wallet thinks it tried to spend some inputs that are still not confirmed by the network due to your wallet not syncing or attempted double spend, it can give you conflicted.
You can check the blockchain to be sure what your Balance is according to the Pandacoin Blockchain here https://chainz.cryptoid.info/pnd/ and as long as you have your private key(s) it can be resolved.