Flow price: --
2b12c7e63d83ab2d7d05e82336e81f5fe20e2a2b94a22e0e10dd01c7211290ca

Transaction

Hash: 2b12c7e63d83ab2d7d05e82336e81f5fe20e2a2b94a22e0e10dd01c7211290ca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b12c7e63d83ab2d7d05e82336e81f5fe20e2a2b94a22e0e10dd01c7211290ca: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:
2b12c7e63d83ab2d7d05e82336e81f5fe20e2a2b94a22e0e10dd01c7211290ca
Status:
ERROR
Block height:
40132019
Block id:
3e63fd2780a3cd78b4be29ab28b26cd74f40e69cc4185e5afaf48d4169d5b3fd
Timestamp:
Tuesday 1 November 2022 at 22:56:15 UTC
()
Proposer:
Authorizers:
Gas used:
47