Flow price: --
5249bd7f4c1b63d5a53e962891a78fd06da192dc72505b3fbfe95b40567d2658

Transaction

Hash: 5249bd7f4c1b63d5a53e962891a78fd06da192dc72505b3fbfe95b40567d2658
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5249bd7f4c1b63d5a53e962891a78fd06da192dc72505b3fbfe95b40567d2658:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5249bd7f4c1b63d5a53e962891a78fd06da192dc72505b3fbfe95b40567d2658
Status:
ERROR
Block height:
40166510
Block id:
b99837f8defd3aea37839ed5e6352d0dd34ab6c448b089549590e4bddcc33e6a
Timestamp:
Wednesday 2 November 2022 at 12:55:53 UTC
()
Proposer:
Authorizers:
Gas used:
47