Flow price: --
eba01c9d22d0f5e111bce901eed9406117f4c392a3d193a0d0a00c76a4bcdf6e

Transaction

Hash: eba01c9d22d0f5e111bce901eed9406117f4c392a3d193a0d0a00c76a4bcdf6e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> eba01c9d22d0f5e111bce901eed9406117f4c392a3d193a0d0a00c76a4bcdf6e: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:
eba01c9d22d0f5e111bce901eed9406117f4c392a3d193a0d0a00c76a4bcdf6e
Status:
ERROR
Block height:
40036618
Block id:
a90b9de3dc3fb68055825d0dcdd647f3e714a6c43335af04b66f736458f6ee39
Timestamp:
Monday 31 October 2022 at 08:22:19 UTC
()
Proposer:
Authorizers:
Gas used:
49