Flow price: --
c524b3a22bd60ea2e8a21d51e7431f41d002a17bebaac822c4a0301878e5176e

Transaction

Hash: c524b3a22bd60ea2e8a21d51e7431f41d002a17bebaac822c4a0301878e5176e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c524b3a22bd60ea2e8a21d51e7431f41d002a17bebaac822c4a0301878e5176e: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:
c524b3a22bd60ea2e8a21d51e7431f41d002a17bebaac822c4a0301878e5176e
Status:
ERROR
Block height:
40112653
Block id:
3be7a6ea042ccc4e01191182cef447101b97e7a74267aa1709298e459f816dfc
Timestamp:
Tuesday 1 November 2022 at 15:02:16 UTC
()
Proposer:
Authorizers:
Gas used:
49