Flow price: --
636c148a50ff11f6f3b1227d118ef8e2b063c2e9d065383d41ea928e394d42f9

Transaction

Hash: 636c148a50ff11f6f3b1227d118ef8e2b063c2e9d065383d41ea928e394d42f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 636c148a50ff11f6f3b1227d118ef8e2b063c2e9d065383d41ea928e394d42f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
636c148a50ff11f6f3b1227d118ef8e2b063c2e9d065383d41ea928e394d42f9
Status:
ERROR
Block height:
40151185
Block id:
fc09f79a5612e6eee431548e0a203f5b906027d689ef76071b216ca2d6a36ce0
Timestamp:
Wednesday 2 November 2022 at 06:43:19 UTC
()
Proposer:
Authorizers:
Gas used:
47