Flow price: --
b4d7823b1bd15bdb8b8527c828f9a85cc806b80e44c1301efddddd4c18b41938

Transaction

Hash: b4d7823b1bd15bdb8b8527c828f9a85cc806b80e44c1301efddddd4c18b41938
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4d7823b1bd15bdb8b8527c828f9a85cc806b80e44c1301efddddd4c18b41938:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4d7823b1bd15bdb8b8527c828f9a85cc806b80e44c1301efddddd4c18b41938
Status:
ERROR
Block height:
40039097
Block id:
3d6110a466c72683e0772b27de5031681f4d0578a1793d88411b5365cee60204
Timestamp:
Monday 31 October 2022 at 09:22:03 UTC
()
Proposer:
Authorizers:
Gas used:
50