Flow price: --
0206a5fab486d916256de903557c22aa91d8f46a3aa07d06e3db16b61bbea5fb

Transaction

Hash: 0206a5fab486d916256de903557c22aa91d8f46a3aa07d06e3db16b61bbea5fb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0206a5fab486d916256de903557c22aa91d8f46a3aa07d06e3db16b61bbea5fb: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:
0206a5fab486d916256de903557c22aa91d8f46a3aa07d06e3db16b61bbea5fb
Status:
ERROR
Block height:
40108549
Block id:
23ee5fe35feba3a2624f6ae94cb6cd98ba79d64dd19a72f3242a051214e4da80
Timestamp:
Tuesday 1 November 2022 at 13:22:43 UTC
()
Proposer:
Authorizers:
Gas used:
46