Flow price: --
c2155983eaf2c6f999306426b3e1f9a72847c01bd486b9ece1256de224291b82

Transaction

Hash: c2155983eaf2c6f999306426b3e1f9a72847c01bd486b9ece1256de224291b82
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c2155983eaf2c6f999306426b3e1f9a72847c01bd486b9ece1256de224291b82:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c2155983eaf2c6f999306426b3e1f9a72847c01bd486b9ece1256de224291b82
Status:
ERROR
Block height:
40043641
Block id:
e8bdb8c65763095aebc244a78092200bdb54096e1903a7598ab695ee4d12b1da
Timestamp:
Monday 31 October 2022 at 11:12:25 UTC
()
Proposer:
Authorizers:
Gas used:
47