Flow price: --
ced010e83a2b8b52c531f96a254bdb73a1f12be9822e895a1ba489e045448dcd

Transaction

Hash: ced010e83a2b8b52c531f96a254bdb73a1f12be9822e895a1ba489e045448dcd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ced010e83a2b8b52c531f96a254bdb73a1f12be9822e895a1ba489e045448dcd: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:
ced010e83a2b8b52c531f96a254bdb73a1f12be9822e895a1ba489e045448dcd
Status:
ERROR
Block height:
40151672
Block id:
45e454960707b415264aa78fa1be75f1aa2ddd4f8828f26694654dd13cddccb4
Timestamp:
Wednesday 2 November 2022 at 06:55:25 UTC
()
Proposer:
Authorizers:
Gas used:
48