Flow price: --
b021c9854501a3896ef72165f3d603d84ad6c6640925c1547d115c2c86e7a570

Transaction

Hash: b021c9854501a3896ef72165f3d603d84ad6c6640925c1547d115c2c86e7a570
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b021c9854501a3896ef72165f3d603d84ad6c6640925c1547d115c2c86e7a570:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b021c9854501a3896ef72165f3d603d84ad6c6640925c1547d115c2c86e7a570
Status:
ERROR
Block height:
39802423
Block id:
2ca2207bb8a74e6e94f60855ccc53d153027a37cc6cd349a7a7941c3c62b297d
Timestamp:
Thursday 27 October 2022 at 10:33:20 UTC
()
Proposer:
Authorizers:
Gas used:
47