Flow price: --
d7b4ddcb3359b3751e57efe461b734df0e339f51e75d00ca3aeb6603d4fbdfba

Transaction

Hash: d7b4ddcb3359b3751e57efe461b734df0e339f51e75d00ca3aeb6603d4fbdfba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7b4ddcb3359b3751e57efe461b734df0e339f51e75d00ca3aeb6603d4fbdfba: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:
d7b4ddcb3359b3751e57efe461b734df0e339f51e75d00ca3aeb6603d4fbdfba
Status:
ERROR
Block height:
40043020
Block id:
4887efd7def4140e924646258d5e4488b143a55c6e0d5e64e28c7480fdd6f498
Timestamp:
Monday 31 October 2022 at 10:57:41 UTC
()
Proposer:
Authorizers:
Gas used:
48