Flow price: --
79f7420818c879938c61c48e6997b8441cf26439ddd4fa20da66a1934560e391

Transaction

Hash: 79f7420818c879938c61c48e6997b8441cf26439ddd4fa20da66a1934560e391
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 79f7420818c879938c61c48e6997b8441cf26439ddd4fa20da66a1934560e391:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
79f7420818c879938c61c48e6997b8441cf26439ddd4fa20da66a1934560e391
Status:
ERROR
Block height:
40036688
Block id:
98b47c307e5c4c9fa6df724b65b99c3e1b66830a20b8621477581f57bbf2c880
Timestamp:
Monday 31 October 2022 at 08:23:56 UTC
()
Proposer:
Authorizers:
Gas used:
50