Flow price: --
605f86f873bc18b9fb9be0bfc05eb7da960adac8c7c82620d69a8dbaa5b1c350

Transaction

Hash: 605f86f873bc18b9fb9be0bfc05eb7da960adac8c7c82620d69a8dbaa5b1c350
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 605f86f873bc18b9fb9be0bfc05eb7da960adac8c7c82620d69a8dbaa5b1c350:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
605f86f873bc18b9fb9be0bfc05eb7da960adac8c7c82620d69a8dbaa5b1c350
Status:
ERROR
Block height:
40105158
Block id:
330a585d950ff99f594bdd2a9e27f043f26d35986f4d9b3f02ae5215cd36a25e
Timestamp:
Tuesday 1 November 2022 at 12:00:36 UTC
()
Proposer:
Authorizers:
Gas used:
46