Flow price: --
4f897300be98495d27da817f740ea2a7fce40be9f72391402f3dd5353d215842

Transaction

Hash: 4f897300be98495d27da817f740ea2a7fce40be9f72391402f3dd5353d215842
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f897300be98495d27da817f740ea2a7fce40be9f72391402f3dd5353d215842:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f897300be98495d27da817f740ea2a7fce40be9f72391402f3dd5353d215842
Status:
ERROR
Block height:
40107378
Block id:
28aea0d07a6b22df9d384959105cef1d78399734825f3b5aa48d59bd35df8694
Timestamp:
Tuesday 1 November 2022 at 12:54:16 UTC
()
Proposer:
Authorizers:
Gas used:
47