Flow price: --
b6abe397ff1ee601331b085b4300c204f57acbe8f894debf32c05a09feb8aeb2

Transaction

Hash: b6abe397ff1ee601331b085b4300c204f57acbe8f894debf32c05a09feb8aeb2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6abe397ff1ee601331b085b4300c204f57acbe8f894debf32c05a09feb8aeb2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6abe397ff1ee601331b085b4300c204f57acbe8f894debf32c05a09feb8aeb2
Status:
ERROR
Block height:
39787831
Block id:
fd0ab0ebcf4459f3bac3bc321a64fbb000cbfbaa61cfa1d438aa77cbef710be5
Timestamp:
Thursday 27 October 2022 at 04:40:55 UTC
()
Proposer:
Authorizers:
Gas used:
50