I got this from a whatsapp group:
if you got your application for Permanent Residence closed due to insufficient POF(as a result of exchange rate spike), do not fret and do not start allover. Instead raise a CSE with an LOE appealing for your application to be re-opened.
it appears instead of receiving an ADR for POF, some people get their application rejected due to the shortfall in POF caused by the disparity in exchange rate at the time of submission versus the time their app was looked into. Rather than speak up here or solicit for help and advice, they keep mute, licking their wounds. as much as we like to hear goodnews of PPR, you shouldnt shy away from bringing up PR rejection to the house, so folks in here could advise you.
I would like you all to know that yesterday, someone whose App was rejected due to a shortfall of 300 cad in his POF, after being advised by "Adegirl" to raise a CSE accompanied by an LOE which he did, got his app reopened within 48hrs by IRCC. below are screenshots to attest.