Flow price: --
cfde01339667786c73d178a925485aee780e6c2f0f8bf50a9dab19fc3ad00ff6

Transaction

Hash: cfde01339667786c73d178a925485aee780e6c2f0f8bf50a9dab19fc3ad00ff6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cfde01339667786c73d178a925485aee780e6c2f0f8bf50a9dab19fc3ad00ff6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cfde01339667786c73d178a925485aee780e6c2f0f8bf50a9dab19fc3ad00ff6
Status:
ERROR
Block height:
39980210
Block id:
3d8a29cdd5f108fc528080517a5165af259406c30dc393b42fca6b6b6b61db38
Timestamp:
Sunday 30 October 2022 at 09:50:27 UTC
()
Proposer:
Authorizers:
Gas used:
50