Flow price: --
d3ffda0b2d532c28152ef7dee0f68dd615564f7c96b605b6c3a7d69563033418

Transaction

Hash: d3ffda0b2d532c28152ef7dee0f68dd615564f7c96b605b6c3a7d69563033418
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d3ffda0b2d532c28152ef7dee0f68dd615564f7c96b605b6c3a7d69563033418:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d3ffda0b2d532c28152ef7dee0f68dd615564f7c96b605b6c3a7d69563033418
Status:
ERROR
Block height:
39781560
Block id:
0262b88a0e6046d1f1dc58f06ecbdf1d2b1592232f20152fae4f953c1521214e
Timestamp:
Thursday 27 October 2022 at 02:09:46 UTC
()
Proposer:
Authorizers:
Gas used:
50