Flow price: --
20836e07971ee13e50d2f01a79069cfc1dbefe772a98ada0ef9ca3aef087aa1e

Transaction

Hash: 20836e07971ee13e50d2f01a79069cfc1dbefe772a98ada0ef9ca3aef087aa1e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 20836e07971ee13e50d2f01a79069cfc1dbefe772a98ada0ef9ca3aef087aa1e: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:
20836e07971ee13e50d2f01a79069cfc1dbefe772a98ada0ef9ca3aef087aa1e
Status:
ERROR
Block height:
40085470
Block id:
a896149472229094bda9ab9ee68256fab93f00536004067406ac4eb6a20eb6ce
Timestamp:
Tuesday 1 November 2022 at 04:00:51 UTC
()
Proposer:
Authorizers:
Gas used:
50