Flow price: --
cb9d98fe359fe85e5017d014d4b8a19f44a25aa114a046f80a8a9ccc90790cd3

Transaction

Hash: cb9d98fe359fe85e5017d014d4b8a19f44a25aa114a046f80a8a9ccc90790cd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb9d98fe359fe85e5017d014d4b8a19f44a25aa114a046f80a8a9ccc90790cd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cb9d98fe359fe85e5017d014d4b8a19f44a25aa114a046f80a8a9ccc90790cd3
Status:
ERROR
Block height:
40110704
Block id:
71672716b019e57f816295ff4018c3c1a15382cc5d095e51e80a182c75712efc
Timestamp:
Tuesday 1 November 2022 at 14:15:14 UTC
()
Proposer:
Authorizers:
Gas used:
47