Flow price: --
0119d3599581fdad5f660423af4bb46c5e7bdd39f72a018e22407a9d033e4fe6

Transaction

Hash: 0119d3599581fdad5f660423af4bb46c5e7bdd39f72a018e22407a9d033e4fe6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0119d3599581fdad5f660423af4bb46c5e7bdd39f72a018e22407a9d033e4fe6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0119d3599581fdad5f660423af4bb46c5e7bdd39f72a018e22407a9d033e4fe6
Status:
ERROR
Block height:
39881299
Block id:
681c5870aa8d63f32cdd76120c9870f39a63f79ed26b9fae4668492c91deddea
Timestamp:
Friday 28 October 2022 at 18:21:05 UTC
()
Proposer:
Authorizers:
Gas used:
50