Flow price: --
a83c73826e07b0cfa5604ff04a1dae316135322643b4d23482860e6b5349e415

Transaction

Hash: a83c73826e07b0cfa5604ff04a1dae316135322643b4d23482860e6b5349e415
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a83c73826e07b0cfa5604ff04a1dae316135322643b4d23482860e6b5349e415:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a83c73826e07b0cfa5604ff04a1dae316135322643b4d23482860e6b5349e415
Status:
ERROR
Block height:
39849500
Block id:
8508103e42803ee2d494ff846cf601125d29b19e789790a699c3284c3e7280bd
Timestamp:
Friday 28 October 2022 at 05:33:21 UTC
()
Proposer:
Authorizers:
Gas used:
46