Flow price: --
bd8cbe141e017c47171484b9af9fca7cd2e714e1a512201534e5cb61e2ce9f07

Transaction

Hash: bd8cbe141e017c47171484b9af9fca7cd2e714e1a512201534e5cb61e2ce9f07
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd8cbe141e017c47171484b9af9fca7cd2e714e1a512201534e5cb61e2ce9f07:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd8cbe141e017c47171484b9af9fca7cd2e714e1a512201534e5cb61e2ce9f07
Status:
ERROR
Block height:
40077955
Block id:
726c9c0b54c1abb10b9b7ca0a46f9343b67797eb33e447d1f4e600e8868c2231
Timestamp:
Tuesday 1 November 2022 at 00:58:35 UTC
()
Proposer:
Authorizers:
Gas used:
48