Flow price: --
a9e2ee4caf9d9e9001283d4b2bdc810b1797ee17851a7b1349ed870cf90d6ed2

Transaction

Hash: a9e2ee4caf9d9e9001283d4b2bdc810b1797ee17851a7b1349ed870cf90d6ed2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a9e2ee4caf9d9e9001283d4b2bdc810b1797ee17851a7b1349ed870cf90d6ed2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a9e2ee4caf9d9e9001283d4b2bdc810b1797ee17851a7b1349ed870cf90d6ed2
Status:
ERROR
Block height:
40030447
Block id:
3dbb712fbb9e753addb40aef8197f50c617ee81b8297b3059db5b24cd01d26a6
Timestamp:
Monday 31 October 2022 at 05:54:04 UTC
()
Proposer:
Authorizers:
Gas used:
46