Flow price: --
f1556abbb00e24d32f3faba350da3efdc31416f4ece7d9abe1e50529c7a5cb28

Transaction

Hash: f1556abbb00e24d32f3faba350da3efdc31416f4ece7d9abe1e50529c7a5cb28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f1556abbb00e24d32f3faba350da3efdc31416f4ece7d9abe1e50529c7a5cb28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f1556abbb00e24d32f3faba350da3efdc31416f4ece7d9abe1e50529c7a5cb28
Status:
ERROR
Block height:
40151452
Block id:
f78f73f756210c9bfad796616e4ef4ee704cec187513f1713a08145a104ba04f
Timestamp:
Wednesday 2 November 2022 at 06:49:57 UTC
()
Proposer:
Authorizers:
Gas used:
46