Flow price: --
537448b16cacdb00320e68a33cc89c45e6e0f150994524fdf208c1074bf66425

Transaction

Hash: 537448b16cacdb00320e68a33cc89c45e6e0f150994524fdf208c1074bf66425
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 537448b16cacdb00320e68a33cc89c45e6e0f150994524fdf208c1074bf66425:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
537448b16cacdb00320e68a33cc89c45e6e0f150994524fdf208c1074bf66425
Status:
ERROR
Block height:
39874468
Block id:
e5a6af7bd13e2fa4798ae75bf3b326600a1848aa041c9f3078a68827fa130ee6
Timestamp:
Friday 28 October 2022 at 15:37:14 UTC
()
Proposer:
Authorizers:
Gas used:
50