Flow price: --
5987d149b879422630a9dd41e14c76a0769a955cb4b319cf2e88e0ab7b55e9e6

Transaction

Hash: 5987d149b879422630a9dd41e14c76a0769a955cb4b319cf2e88e0ab7b55e9e6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5987d149b879422630a9dd41e14c76a0769a955cb4b319cf2e88e0ab7b55e9e6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5987d149b879422630a9dd41e14c76a0769a955cb4b319cf2e88e0ab7b55e9e6
Status:
ERROR
Block height:
40109711
Block id:
aaf0372a1a9dcddbba5b8051776ff5cb83371b08f5b9ea49cc76f09b57d1d226
Timestamp:
Tuesday 1 November 2022 at 13:50:42 UTC
()
Proposer:
Authorizers:
Gas used:
50