Flow price: --
901b05bed1c914fcffd1e62ad1ebf81b4df4a7c663e5e3d9ed4e90cf885c50fe

Transaction

Hash: 901b05bed1c914fcffd1e62ad1ebf81b4df4a7c663e5e3d9ed4e90cf885c50fe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 901b05bed1c914fcffd1e62ad1ebf81b4df4a7c663e5e3d9ed4e90cf885c50fe: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:
901b05bed1c914fcffd1e62ad1ebf81b4df4a7c663e5e3d9ed4e90cf885c50fe
Status:
ERROR
Block height:
40128378
Block id:
782f37480edc3595a3bbe1b88511d57b9b85c58a3abb7ec22602f611265fe860
Timestamp:
Tuesday 1 November 2022 at 21:26:28 UTC
()
Proposer:
Authorizers:
Gas used:
39