# Sending closing fee offer 171sat, with range 171sat-171sat
The output from lightning-cli indicated that it received your closing fee offer as 171 satoshis and interpreted your fee range as 171 msat/kw to 171 msat/kw and this resulted in the warning message stating that the closing fee range must not be below 2683 satoshis.
performing quickclose in range 1697sat-7564sat
State changed from CLOSINGD_SIGEXCHANGE to CLOSINGD_COMPLETE
When you restarted lightning-cli it performed a quick close with a fee range of 1697 satoshis to 7564 satoshis and the resulting fee rate off 20.98 sat/vByte was just insufficient.
You can convert between sat/vByte and msat/kw using the formula
msat/kw = (sat/vByte * 1000) / (weight / 1000)