Flow price: --
2d791e7a3b14a333cad3218a24b18c5fb1411f9a9dc75e9ab4cad9ca7e404945

Transaction

Hash: 2d791e7a3b14a333cad3218a24b18c5fb1411f9a9dc75e9ab4cad9ca7e404945
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2d791e7a3b14a333cad3218a24b18c5fb1411f9a9dc75e9ab4cad9ca7e404945:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2d791e7a3b14a333cad3218a24b18c5fb1411f9a9dc75e9ab4cad9ca7e404945
Status:
ERROR
Block height:
39867348
Block id:
4934d2895ed4c040acfabd6dce8e170c37041d471cbd581e5930fbea303115f6
Timestamp:
Friday 28 October 2022 at 12:45:51 UTC
()
Proposer:
Authorizers:
Gas used:
71