Flow price: --
cacc39a514f80c54fd4b8eb09ac05e9c98dea7690e83a90b7cc183800f1a1298

Transaction

Hash: cacc39a514f80c54fd4b8eb09ac05e9c98dea7690e83a90b7cc183800f1a1298
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cacc39a514f80c54fd4b8eb09ac05e9c98dea7690e83a90b7cc183800f1a1298:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cacc39a514f80c54fd4b8eb09ac05e9c98dea7690e83a90b7cc183800f1a1298
Status:
ERROR
Block height:
39879264
Block id:
e4632bdbf0ab2da5555f3a99c7a60b92c39b215002f60ef7b3f77234c21d8e0b
Timestamp:
Friday 28 October 2022 at 17:31:34 UTC
()
Proposer:
Authorizers:
Gas used:
46