Flow price: --
d028c1a80355af19e530e4eb1eda294c87c5b70dfef2ab52a1a6f354ff64d134

Transaction

Hash: d028c1a80355af19e530e4eb1eda294c87c5b70dfef2ab52a1a6f354ff64d134
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d028c1a80355af19e530e4eb1eda294c87c5b70dfef2ab52a1a6f354ff64d134:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d028c1a80355af19e530e4eb1eda294c87c5b70dfef2ab52a1a6f354ff64d134
Status:
ERROR
Block height:
39981136
Block id:
0b9992b90c8c5a7d531e229a65d403b4accede67ab478462a9fb2b50e713e352
Timestamp:
Sunday 30 October 2022 at 10:12:34 UTC
()
Proposer:
Authorizers:
Gas used:
47