Flow price: --
d9e4cf5210ab5a536c4648b8ef121e351cf428de8a35d443e5f15a5f0f4f6b52

Transaction

Hash: d9e4cf5210ab5a536c4648b8ef121e351cf428de8a35d443e5f15a5f0f4f6b52
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d9e4cf5210ab5a536c4648b8ef121e351cf428de8a35d443e5f15a5f0f4f6b52:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d9e4cf5210ab5a536c4648b8ef121e351cf428de8a35d443e5f15a5f0f4f6b52
Status:
ERROR
Block height:
40154261
Block id:
38748d28b06058bfec2e54aaad6552e24bc02283f178183039e82e081437b783
Timestamp:
Wednesday 2 November 2022 at 07:58:32 UTC
()
Proposer:
Authorizers:
Gas used:
46