Flow price: --
d156566462cf8b65cc607d13075720f6b5c75845e9898ed45fb5c464d5c401cf

Transaction

Hash: d156566462cf8b65cc607d13075720f6b5c75845e9898ed45fb5c464d5c401cf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d156566462cf8b65cc607d13075720f6b5c75845e9898ed45fb5c464d5c401cf: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:
d156566462cf8b65cc607d13075720f6b5c75845e9898ed45fb5c464d5c401cf
Status:
ERROR
Block height:
40036054
Block id:
9fa0e5d8fd7961191fc637c939292373c856f362c60fa1c881dab244a271140e
Timestamp:
Monday 31 October 2022 at 08:08:40 UTC
()
Proposer:
Authorizers:
Gas used:
47