FATAL Unrecoverable error {"error": "trust: malformed cache: invalid character '\\x00' looking for beginning of value"

hi, my node stoped working since 4 days, i checked everything, hdd has no errors, have an static ipv4, restard diddnt helped, identity is ok. but port is shown as closed and i cant figure out why. reseted my router and made a new rule, puplic ip hasnt changed and is correct in yams. in the log it looks like it startet with an clocksync error, fixed that, but now i get an fatal error since 4 days. can post log because new mewmember?