Flow price: --
76a924ac81fcd7030a7219be6b4f345bd0812f994f76e3a610cf8af7da5842bd

Transaction

Hash: 76a924ac81fcd7030a7219be6b4f345bd0812f994f76e3a610cf8af7da5842bd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 76a924ac81fcd7030a7219be6b4f345bd0812f994f76e3a610cf8af7da5842bd: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:
76a924ac81fcd7030a7219be6b4f345bd0812f994f76e3a610cf8af7da5842bd
Status:
ERROR
Block height:
40029619
Block id:
5a3c42ad717a0bc691c1b1b1cb945080e7e4160411b3fcc641e221f3b40d66a6
Timestamp:
Monday 31 October 2022 at 05:34:15 UTC
()
Proposer:
Authorizers:
Gas used:
46