Flow price: --
64525c9a8dbb932d4e6279834c80e43d4da612ec054c66accdf5a81f422ffec5

Transaction

Hash: 64525c9a8dbb932d4e6279834c80e43d4da612ec054c66accdf5a81f422ffec5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64525c9a8dbb932d4e6279834c80e43d4da612ec054c66accdf5a81f422ffec5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64525c9a8dbb932d4e6279834c80e43d4da612ec054c66accdf5a81f422ffec5
Status:
ERROR
Block height:
40043641
Block id:
e8bdb8c65763095aebc244a78092200bdb54096e1903a7598ab695ee4d12b1da
Timestamp:
Monday 31 October 2022 at 11:12:25 UTC
()
Proposer:
Authorizers:
Gas used:
47