Flow price: --
ff928250a8f84a937363d749ac55908b259d5d1295e3ef9d87605ee5a85f3e85

Transaction

Hash: ff928250a8f84a937363d749ac55908b259d5d1295e3ef9d87605ee5a85f3e85
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ff928250a8f84a937363d749ac55908b259d5d1295e3ef9d87605ee5a85f3e85:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ff928250a8f84a937363d749ac55908b259d5d1295e3ef9d87605ee5a85f3e85
Status:
ERROR
Block height:
40034717
Block id:
6bcec6a13e019f491871e01f27a689587923502073d8d76c6189c6ad08cbafa1
Timestamp:
Monday 31 October 2022 at 07:36:59 UTC
()
Proposer:
Authorizers:
Gas used:
49