Help ! how long for confirmation time?

hey guys i have tried to transfer some ADA to Bittrex account
and withdraw was not a problem but with deposit status, mine is stuck at confirmation 19/20
i know transaction might take time but its stuck for 6days now

looked up block explorer, address,txid were all fine

i don’t know wat to do with this issue, try to reach out to Bittrex, but no response for 6 days now

anybody else had this issue before ?
or know the reason why it happen?