Flow price: --
b72ad890c29afa7e6fae27dd62e1084207496e0d11a005ae0ad831ccce165c82

Transaction

Hash: b72ad890c29afa7e6fae27dd62e1084207496e0d11a005ae0ad831ccce165c82
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b72ad890c29afa7e6fae27dd62e1084207496e0d11a005ae0ad831ccce165c82:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b72ad890c29afa7e6fae27dd62e1084207496e0d11a005ae0ad831ccce165c82
Status:
ERROR
Block height:
40136460
Block id:
975ce720b8a7f3f318b1f7920784b290ca7d163e8e7da24b470e8eff72055a80
Timestamp:
Wednesday 2 November 2022 at 00:44:30 UTC
()
Proposer:
Authorizers:
Gas used:
47