Flow price: --
492e14043ec9b049e8bb0abe37132aed4fb37cb97cf12a971346e04b68e44168

Transaction

Hash: 492e14043ec9b049e8bb0abe37132aed4fb37cb97cf12a971346e04b68e44168
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 492e14043ec9b049e8bb0abe37132aed4fb37cb97cf12a971346e04b68e44168:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
492e14043ec9b049e8bb0abe37132aed4fb37cb97cf12a971346e04b68e44168
Status:
ERROR
Block height:
40032970
Block id:
23cac67fbe1f42d6cea8ade6c419c9e10a70cc19be7ca158b79b6e902b7869de
Timestamp:
Monday 31 October 2022 at 06:55:18 UTC
()
Proposer:
Authorizers:
Gas used:
47