Flow price: --
681bf6f1a7470735584b4d58755eb88b8edffbc2d1c2999b808f9bef407f56e6

Transaction

Hash: 681bf6f1a7470735584b4d58755eb88b8edffbc2d1c2999b808f9bef407f56e6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 681bf6f1a7470735584b4d58755eb88b8edffbc2d1c2999b808f9bef407f56e6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
681bf6f1a7470735584b4d58755eb88b8edffbc2d1c2999b808f9bef407f56e6
Status:
ERROR
Block height:
40165401
Block id:
1c9c007796c66fe436db713e04dc09430ab041633b6c178f29dc70d585fe8d8b
Timestamp:
Wednesday 2 November 2022 at 12:29:20 UTC
()
Proposer:
Authorizers:
Gas used:
49