Flow price: --
c4b239abd2d32d49acd33ea0c37f7f74e2d4393cb0866849dd5575b7b30b69d4

Transaction

Hash: c4b239abd2d32d49acd33ea0c37f7f74e2d4393cb0866849dd5575b7b30b69d4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c4b239abd2d32d49acd33ea0c37f7f74e2d4393cb0866849dd5575b7b30b69d4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c4b239abd2d32d49acd33ea0c37f7f74e2d4393cb0866849dd5575b7b30b69d4
Status:
ERROR
Block height:
40030528
Block id:
56bfc69b8ca1f46cf1bdfe129df8f424b1a3d8280fceb00f353b01ea69a22ebf
Timestamp:
Monday 31 October 2022 at 05:56:07 UTC
()
Proposer:
Authorizers:
Gas used:
49