Flow price: --
a84cb171252bf7553f868e349ae243941843e58aa84b1dab16496e79c8618ae2

Transaction

Hash: a84cb171252bf7553f868e349ae243941843e58aa84b1dab16496e79c8618ae2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a84cb171252bf7553f868e349ae243941843e58aa84b1dab16496e79c8618ae2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a84cb171252bf7553f868e349ae243941843e58aa84b1dab16496e79c8618ae2
Status:
ERROR
Block height:
39756767
Block id:
4c56c9c530b6fa4003a697427566786eb6748f6555334a5e75f1777ebd4329ef
Timestamp:
Wednesday 26 October 2022 at 16:09:48 UTC
()
Proposer:
Authorizers:
Gas used:
46