Flow price: --
66b70ebe9949ec5274f8cfe656b051385be196e7ab19c68d259d9dd1ab4a5be6

Transaction

Hash: 66b70ebe9949ec5274f8cfe656b051385be196e7ab19c68d259d9dd1ab4a5be6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 66b70ebe9949ec5274f8cfe656b051385be196e7ab19c68d259d9dd1ab4a5be6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
66b70ebe9949ec5274f8cfe656b051385be196e7ab19c68d259d9dd1ab4a5be6
Status:
ERROR
Block height:
39868778
Block id:
1968f0892b0b2ca540a4bbdb83083ec3cc3cb21e6aa44d5ea194ef83f83b41b9
Timestamp:
Friday 28 October 2022 at 13:20:31 UTC
()
Proposer:
Authorizers:
Gas used:
50