Flow price: --
b3b7d75b6adb51695e4ef8174dc6aa3eebd8b48e36b8367c8e905a7a676eb272

Transaction

Hash: b3b7d75b6adb51695e4ef8174dc6aa3eebd8b48e36b8367c8e905a7a676eb272
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b3b7d75b6adb51695e4ef8174dc6aa3eebd8b48e36b8367c8e905a7a676eb272:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b3b7d75b6adb51695e4ef8174dc6aa3eebd8b48e36b8367c8e905a7a676eb272
Status:
ERROR
Block height:
39755949
Block id:
fb799cee7fef693e4ef1ae9b232ba4455d7005d8677f0367dc4dd28616bc0b0b
Timestamp:
Wednesday 26 October 2022 at 15:49:43 UTC
()
Proposer:
Authorizers:
Gas used:
48