Flow price: --
759a18b748e408a1853e5e716b27ddab64549f59c2eac6d16d9df942ded605b6

Transaction

Hash: 759a18b748e408a1853e5e716b27ddab64549f59c2eac6d16d9df942ded605b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 759a18b748e408a1853e5e716b27ddab64549f59c2eac6d16d9df942ded605b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
759a18b748e408a1853e5e716b27ddab64549f59c2eac6d16d9df942ded605b6
Status:
ERROR
Block height:
40042238
Block id:
08cbb7cdaa0a49f534539b3778830af5eff154590310da3adfc7fd7097563f4f
Timestamp:
Monday 31 October 2022 at 10:38:27 UTC
()
Proposer:
Authorizers:
Gas used:
49