Flow price: --
8790a46dfe05c447b0ea6968fd4a79961030a8db0b9167123e3887b5dc02b34b

Transaction

Hash: 8790a46dfe05c447b0ea6968fd4a79961030a8db0b9167123e3887b5dc02b34b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8790a46dfe05c447b0ea6968fd4a79961030a8db0b9167123e3887b5dc02b34b: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:
8790a46dfe05c447b0ea6968fd4a79961030a8db0b9167123e3887b5dc02b34b
Status:
ERROR
Block height:
40170066
Block id:
132ce97ed7d564b7b9572c9fca712a5e771b30f4b56f317e571d26bb2bd26a3e
Timestamp:
Wednesday 2 November 2022 at 14:22:04 UTC
()
Proposer:
Authorizers:
Gas used:
50