Flow price: --
191256fc8bdd73641dbcb9e4e7b0954d15191dc72dec1a1490445d4279b697fd

Transaction

Hash: 191256fc8bdd73641dbcb9e4e7b0954d15191dc72dec1a1490445d4279b697fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 191256fc8bdd73641dbcb9e4e7b0954d15191dc72dec1a1490445d4279b697fd: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:
191256fc8bdd73641dbcb9e4e7b0954d15191dc72dec1a1490445d4279b697fd
Status:
ERROR
Block height:
39795618
Block id:
23bb7ba63009bdf4e94006f475ae26a8618ed41a7424669d3e71ee65ee28c493
Timestamp:
Thursday 27 October 2022 at 07:49:29 UTC
()
Proposer:
Authorizers:
Gas used:
50