Flow price: --
5b4a7e7d9de30ef940a16aa78784cb9221348ec5efeb285c5e01132edb6bacf6

Transaction

Hash: 5b4a7e7d9de30ef940a16aa78784cb9221348ec5efeb285c5e01132edb6bacf6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5b4a7e7d9de30ef940a16aa78784cb9221348ec5efeb285c5e01132edb6bacf6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5b4a7e7d9de30ef940a16aa78784cb9221348ec5efeb285c5e01132edb6bacf6
Status:
ERROR
Block height:
40040578
Block id:
116dc86fac7dda32a36673c974a4ba532f5e059af614aeeee43979f7cccc1477
Timestamp:
Monday 31 October 2022 at 09:58:04 UTC
()
Proposer:
Authorizers:
Gas used:
47