Flow price: --
431c86b293cb4af912d081e138d568b8f58020ea3bf517a50a3414c419541f00

Transaction

Hash: 431c86b293cb4af912d081e138d568b8f58020ea3bf517a50a3414c419541f00
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 431c86b293cb4af912d081e138d568b8f58020ea3bf517a50a3414c419541f00:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
431c86b293cb4af912d081e138d568b8f58020ea3bf517a50a3414c419541f00
Status:
ERROR
Block height:
39993952
Block id:
397aa414116e8d986fe0efb2d7a8eb8d4d88b569a7ae3d0c0df41b90971aaaa7
Timestamp:
Sunday 30 October 2022 at 15:20:26 UTC
()
Proposer:
Authorizers:
Gas used:
50