Flow price: --
ef115037bf68863d545b37a813b68202473a0607bb34e75fa8fda25b9d2f3b4e

Transaction

Hash: ef115037bf68863d545b37a813b68202473a0607bb34e75fa8fda25b9d2f3b4e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ef115037bf68863d545b37a813b68202473a0607bb34e75fa8fda25b9d2f3b4e:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ef115037bf68863d545b37a813b68202473a0607bb34e75fa8fda25b9d2f3b4e
Status:
ERROR
Block height:
39933112
Block id:
742bfc21d2c54d299b592e66d7c786316e217c8dffebcee4edeff758a3579ce0
Timestamp:
Saturday 29 October 2022 at 15:05:07 UTC
()
Proposer:
Authorizers:
Gas used:
50