Flow price: --
77d0af9d7b91dfbfafd9f45f6724a57a87bb2db7207ab37cc81438295aaf2a95

Transaction

Hash: 77d0af9d7b91dfbfafd9f45f6724a57a87bb2db7207ab37cc81438295aaf2a95
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 77d0af9d7b91dfbfafd9f45f6724a57a87bb2db7207ab37cc81438295aaf2a95:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
77d0af9d7b91dfbfafd9f45f6724a57a87bb2db7207ab37cc81438295aaf2a95
Status:
ERROR
Block height:
39971913
Block id:
e858d94f0693412793a5acbd421f891b70231e15071eb464c892da8c9adc8c10
Timestamp:
Sunday 30 October 2022 at 06:31:42 UTC
()
Proposer:
Authorizers:
Gas used:
47