Flow price: --
a53b4254cd244a0115ac7b7f496e5f9073ece841f5400962eb71da2d0e6ee694

Transaction

Hash: a53b4254cd244a0115ac7b7f496e5f9073ece841f5400962eb71da2d0e6ee694
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a53b4254cd244a0115ac7b7f496e5f9073ece841f5400962eb71da2d0e6ee694:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a53b4254cd244a0115ac7b7f496e5f9073ece841f5400962eb71da2d0e6ee694
Status:
ERROR
Block height:
39923792
Block id:
163a334d9f9aa1ee669b384e5e78acccda95864e97721f87ea2ac9556996f30d
Timestamp:
Saturday 29 October 2022 at 11:18:34 UTC
()
Proposer:
Authorizers:
Gas used:
47