Flow price: --
2b4ed18cf86c5ed6d519d0edae1bb4840a043153397123bc1380892ec5964561

Transaction

Hash: 2b4ed18cf86c5ed6d519d0edae1bb4840a043153397123bc1380892ec5964561
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b4ed18cf86c5ed6d519d0edae1bb4840a043153397123bc1380892ec5964561:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2b4ed18cf86c5ed6d519d0edae1bb4840a043153397123bc1380892ec5964561
Status:
ERROR
Block height:
40047263
Block id:
8a728141191b49c728f18774dfa71ca14c7a8a8a0893980601722b4e0919483c
Timestamp:
Monday 31 October 2022 at 12:40:11 UTC
()
Proposer:
Authorizers:
Gas used:
47