Flow price: --
78419f841ada94c895d0b527b84b26b8ac18d569084c6c7b9f68fb8e54e53eb5

Transaction

Hash: 78419f841ada94c895d0b527b84b26b8ac18d569084c6c7b9f68fb8e54e53eb5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78419f841ada94c895d0b527b84b26b8ac18d569084c6c7b9f68fb8e54e53eb5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
78419f841ada94c895d0b527b84b26b8ac18d569084c6c7b9f68fb8e54e53eb5
Status:
ERROR
Block height:
39766251
Block id:
475a8f7b9563cf132af3f1c697e428f24de5b732f08d7c5eeb8d198ee6ee29de
Timestamp:
Wednesday 26 October 2022 at 19:59:49 UTC
()
Proposer:
Authorizers:
Gas used:
50