Flow price: --
f9fd78f97b9946940c5c464b22731885ea545fd3971d3a37078ee516a2c2696b

Transaction

Hash: f9fd78f97b9946940c5c464b22731885ea545fd3971d3a37078ee516a2c2696b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9fd78f97b9946940c5c464b22731885ea545fd3971d3a37078ee516a2c2696b: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:
f9fd78f97b9946940c5c464b22731885ea545fd3971d3a37078ee516a2c2696b
Status:
ERROR
Block height:
40136137
Block id:
9a3481f1d1e76fa55623af040d079df35ee4f36816ab6240324a168f9b29517a
Timestamp:
Wednesday 2 November 2022 at 00:36:48 UTC
()
Proposer:
Authorizers:
Gas used:
50