Flow price: --
f257685e04a6b4872bda9bfc61973b5a1498ee652050f590ae815a0c9f58b239

Transaction

Hash: f257685e04a6b4872bda9bfc61973b5a1498ee652050f590ae815a0c9f58b239
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f257685e04a6b4872bda9bfc61973b5a1498ee652050f590ae815a0c9f58b239:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f257685e04a6b4872bda9bfc61973b5a1498ee652050f590ae815a0c9f58b239
Status:
ERROR
Block height:
39727281
Block id:
f882ad5f51924a9de2a772ccf0d8907e76ae460ea786801db812e3e95e8b5892
Timestamp:
Wednesday 26 October 2022 at 04:18:01 UTC
()
Proposer:
Authorizers:
Gas used:
46