Flow price: --
f5b9f9541ddb23dffc5c170ee2112c761f92b110fa464c9b5c497b99db0f90a9

Transaction

Hash: f5b9f9541ddb23dffc5c170ee2112c761f92b110fa464c9b5c497b99db0f90a9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f5b9f9541ddb23dffc5c170ee2112c761f92b110fa464c9b5c497b99db0f90a9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f5b9f9541ddb23dffc5c170ee2112c761f92b110fa464c9b5c497b99db0f90a9
Status:
ERROR
Block height:
40112148
Block id:
42ef722ab4ac04c09a5d8dcd41dab04ee4906dcc15a3022f2efaf98edd4c6f7d
Timestamp:
Tuesday 1 November 2022 at 14:50:21 UTC
()
Proposer:
Authorizers:
Gas used:
50