Flow price: --
5311fa5611d51ed318ab148301ca0447a8d1108e2adcdf4b556d1f69d05fd789

Transaction

Hash: 5311fa5611d51ed318ab148301ca0447a8d1108e2adcdf4b556d1f69d05fd789
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5311fa5611d51ed318ab148301ca0447a8d1108e2adcdf4b556d1f69d05fd789:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5311fa5611d51ed318ab148301ca0447a8d1108e2adcdf4b556d1f69d05fd789
Status:
ERROR
Block height:
39977460
Block id:
a49680a9783e2501f7a932fec57b034839b0690510880de0503333b327f33ca5
Timestamp:
Sunday 30 October 2022 at 08:44:49 UTC
()
Proposer:
Authorizers:
Gas used:
50