Flow price: --
3ade937782b971e6b4a4ba8b9a572b9e3a073999f1950753d902c59e9bebe552

Transaction

Hash: 3ade937782b971e6b4a4ba8b9a572b9e3a073999f1950753d902c59e9bebe552
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3ade937782b971e6b4a4ba8b9a572b9e3a073999f1950753d902c59e9bebe552:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3ade937782b971e6b4a4ba8b9a572b9e3a073999f1950753d902c59e9bebe552
Status:
ERROR
Block height:
39909338
Block id:
b460c273757d19670d45635d61258dd0fe22a67e2b8c5e4c524f84fbeace4d70
Timestamp:
Saturday 29 October 2022 at 05:29:35 UTC
()
Proposer:
Authorizers:
Gas used:
51