Flow price: --
d0e259d24d6e6e85463add4171f7693894acbb9e90795b196058d282be5e1586

Transaction

Hash: d0e259d24d6e6e85463add4171f7693894acbb9e90795b196058d282be5e1586
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0e259d24d6e6e85463add4171f7693894acbb9e90795b196058d282be5e1586:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0e259d24d6e6e85463add4171f7693894acbb9e90795b196058d282be5e1586
Status:
ERROR
Block height:
39858862
Block id:
c10a15850f53a09719fad5a23845165d027b908955711d3061e973d3b3cfdeaa
Timestamp:
Friday 28 October 2022 at 09:21:17 UTC
()
Proposer:
Authorizers:
Gas used:
47