Flow price: --
3e0e40a70c4250260a8f2b9fa4e4c20028d36771a5b4097423d4c4c5ef86eaa7

Transaction

Hash: 3e0e40a70c4250260a8f2b9fa4e4c20028d36771a5b4097423d4c4c5ef86eaa7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3e0e40a70c4250260a8f2b9fa4e4c20028d36771a5b4097423d4c4c5ef86eaa7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3e0e40a70c4250260a8f2b9fa4e4c20028d36771a5b4097423d4c4c5ef86eaa7
Status:
ERROR
Block height:
39742425
Block id:
78d35c5abee463d1b616116201555a163cc826095fba28d08c3967f4a13a2ca8
Timestamp:
Wednesday 26 October 2022 at 10:23:45 UTC
()
Proposer:
Authorizers:
Gas used:
50