Flow price: --
1f018c497264e8cf49cfdac73e4be2eb59d3b24d7bb86c5c2a98dba5c074702d

Transaction

Hash: 1f018c497264e8cf49cfdac73e4be2eb59d3b24d7bb86c5c2a98dba5c074702d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f018c497264e8cf49cfdac73e4be2eb59d3b24d7bb86c5c2a98dba5c074702d: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:
1f018c497264e8cf49cfdac73e4be2eb59d3b24d7bb86c5c2a98dba5c074702d
Status:
ERROR
Block height:
39997442
Block id:
72b6b90a36e1bc1b1deef3174d829b3769a5bed909629347ead72c5298b2db0c
Timestamp:
Sunday 30 October 2022 at 16:44:21 UTC
()
Proposer:
Authorizers:
Gas used:
50