Flow price: --
4699b82c704366fbb8b6a5a5aa800e30403623404d8a62717a42f067ef95c1c2

Transaction

Hash: 4699b82c704366fbb8b6a5a5aa800e30403623404d8a62717a42f067ef95c1c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4699b82c704366fbb8b6a5a5aa800e30403623404d8a62717a42f067ef95c1c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4699b82c704366fbb8b6a5a5aa800e30403623404d8a62717a42f067ef95c1c2
Status:
ERROR
Block height:
39743580
Block id:
cf7096feb917d946af8747d09d29e72e5f63610b5e7a3003a0236b67fcead2f1
Timestamp:
Wednesday 26 October 2022 at 10:51:23 UTC
()
Proposer:
Authorizers:
Gas used:
50