Flow price: --
b9cd478fbce7f75c398ab6ab4ee1cc4f51c5c4b238a2bdb638daaa75c506fcea

Transaction

Hash: b9cd478fbce7f75c398ab6ab4ee1cc4f51c5c4b238a2bdb638daaa75c506fcea
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9cd478fbce7f75c398ab6ab4ee1cc4f51c5c4b238a2bdb638daaa75c506fcea: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:
b9cd478fbce7f75c398ab6ab4ee1cc4f51c5c4b238a2bdb638daaa75c506fcea
Status:
ERROR
Block height:
39873747
Block id:
31d51b90a7be10eff0f003979751fa185ef6a6913a9f576ca574ac6c5a9e9e94
Timestamp:
Friday 28 October 2022 at 15:19:51 UTC
()
Proposer:
Authorizers:
Gas used:
50