Flow price: --
51182b94a9891004408757aaa401be4e2ddb6ce67616295b91a4dfcb1d579670

Transaction

Hash: 51182b94a9891004408757aaa401be4e2ddb6ce67616295b91a4dfcb1d579670
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 51182b94a9891004408757aaa401be4e2ddb6ce67616295b91a4dfcb1d579670:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
51182b94a9891004408757aaa401be4e2ddb6ce67616295b91a4dfcb1d579670
Status:
ERROR
Block height:
40152451
Block id:
5d9874475bb7ae8dc99e3ab3a3613a0201fe8c0b68ef4101a62e4a157ec6acb4
Timestamp:
Wednesday 2 November 2022 at 07:14:19 UTC
()
Proposer:
Authorizers:
Gas used:
46