Flow price: --
21774764ac3cc366b53860c71e768dc75f133fe5e2261a3cb5a60e523acda82b

Transaction

Hash: 21774764ac3cc366b53860c71e768dc75f133fe5e2261a3cb5a60e523acda82b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21774764ac3cc366b53860c71e768dc75f133fe5e2261a3cb5a60e523acda82b: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:
21774764ac3cc366b53860c71e768dc75f133fe5e2261a3cb5a60e523acda82b
Status:
ERROR
Block height:
39734217
Block id:
d20f10f079442e87827b6e63f68f6abd7c175ed55aad41f92a0db3d1863b3946
Timestamp:
Wednesday 26 October 2022 at 07:05:36 UTC
()
Proposer:
Authorizers:
Gas used:
47