Flow price: --
445e739ae58d93ea7843ef5a6b21594cb1d705b8c76fb65111d2fb4eb1ebc055

Transaction

Hash: 445e739ae58d93ea7843ef5a6b21594cb1d705b8c76fb65111d2fb4eb1ebc055
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 445e739ae58d93ea7843ef5a6b21594cb1d705b8c76fb65111d2fb4eb1ebc055:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
445e739ae58d93ea7843ef5a6b21594cb1d705b8c76fb65111d2fb4eb1ebc055
Status:
ERROR
Block height:
40007480
Block id:
eaad67d4ebd3d79229c9daf7de0e37cbc57b8c096326cb6df7e90fe0fc142840
Timestamp:
Sunday 30 October 2022 at 20:45:10 UTC
()
Proposer:
Authorizers:
Gas used:
49