Flow price: --
39c7daea16fe0d41a639555cf7c7f7ba140c97aa9e6e9fd17060033615e9376d

Transaction

Hash: 39c7daea16fe0d41a639555cf7c7f7ba140c97aa9e6e9fd17060033615e9376d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 39c7daea16fe0d41a639555cf7c7f7ba140c97aa9e6e9fd17060033615e9376d: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:
39c7daea16fe0d41a639555cf7c7f7ba140c97aa9e6e9fd17060033615e9376d
Status:
ERROR
Block height:
40160885
Block id:
445d2928d9146d1806a9dba54626dec292f4e9bd73339df8e8e109d6f22e7649
Timestamp:
Wednesday 2 November 2022 at 10:40:04 UTC
()
Proposer:
Authorizers:
Gas used:
47