Flow price: --
6cda3ef5a068fa5b487f5c695c2122cbaab5681ced880769c81b90a474b77468

Transaction

Hash: 6cda3ef5a068fa5b487f5c695c2122cbaab5681ced880769c81b90a474b77468
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6cda3ef5a068fa5b487f5c695c2122cbaab5681ced880769c81b90a474b77468:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6cda3ef5a068fa5b487f5c695c2122cbaab5681ced880769c81b90a474b77468
Status:
ERROR
Block height:
40036320
Block id:
8d7027810adc09256414d6e99b2eccdec8122614eb6949cec64b50315b1fab84
Timestamp:
Monday 31 October 2022 at 08:15:07 UTC
()
Proposer:
Authorizers:
Gas used:
48