Flow price: --
5f1f146265839ddeb931cfe3697b899d642edb254becdbe8342e278581857e4c

Transaction

Hash: 5f1f146265839ddeb931cfe3697b899d642edb254becdbe8342e278581857e4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5f1f146265839ddeb931cfe3697b899d642edb254becdbe8342e278581857e4c: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:
5f1f146265839ddeb931cfe3697b899d642edb254becdbe8342e278581857e4c
Status:
ERROR
Block height:
40166583
Block id:
2a82a28388ad7c97c95d96738190e94df80436e81ad46399c4a5e3c12f439c7c
Timestamp:
Wednesday 2 November 2022 at 12:57:37 UTC
()
Proposer:
Authorizers:
Gas used:
48