Flow price: --
771d6681186618f3034414a61517e67e977a2038733e6cfb8119852f44c84dd3

Transaction

Hash: 771d6681186618f3034414a61517e67e977a2038733e6cfb8119852f44c84dd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 771d6681186618f3034414a61517e67e977a2038733e6cfb8119852f44c84dd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
771d6681186618f3034414a61517e67e977a2038733e6cfb8119852f44c84dd3
Status:
ERROR
Block height:
39981172
Block id:
e9cd898b9314f0c6062cbbf91b2ac8cd48028fdf5a78caf6f43c9f101d4508ab
Timestamp:
Sunday 30 October 2022 at 10:13:22 UTC
()
Proposer:
Authorizers:
Gas used:
48