Flow price: --
60fcacf7a1475c03597c920f9c2ba377fd956f94bef57e8c17fd3ac01dd171f3

Transaction

Hash: 60fcacf7a1475c03597c920f9c2ba377fd956f94bef57e8c17fd3ac01dd171f3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 60fcacf7a1475c03597c920f9c2ba377fd956f94bef57e8c17fd3ac01dd171f3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
60fcacf7a1475c03597c920f9c2ba377fd956f94bef57e8c17fd3ac01dd171f3
Status:
ERROR
Block height:
39954997
Block id:
6d7cc0438a37f752542e33c6cab76fcab84805e56979979cc8bd4113963e4099
Timestamp:
Saturday 29 October 2022 at 23:47:21 UTC
()
Proposer:
Authorizers:
Gas used:
64