Flow price: --
c8fb818c9d6236081c8e5de70ec52f2365aa8bd8b40dfa66e44f283465a7ecb6

Transaction

Hash: c8fb818c9d6236081c8e5de70ec52f2365aa8bd8b40dfa66e44f283465a7ecb6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c8fb818c9d6236081c8e5de70ec52f2365aa8bd8b40dfa66e44f283465a7ecb6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c8fb818c9d6236081c8e5de70ec52f2365aa8bd8b40dfa66e44f283465a7ecb6
Status:
ERROR
Block height:
39967755
Block id:
1aa52f19920ea8154ee7c87a8de66e37373c3ffb4571cf2b8260d564924f6215
Timestamp:
Sunday 30 October 2022 at 04:51:26 UTC
()
Proposer:
Authorizers:
Gas used:
49