Flow price: --
2213e81bb1efb8ae23882e610505e1c3da6afcad4e8c2f942e4bff6cb9fe3d91

Transaction

Hash: 2213e81bb1efb8ae23882e610505e1c3da6afcad4e8c2f942e4bff6cb9fe3d91
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2213e81bb1efb8ae23882e610505e1c3da6afcad4e8c2f942e4bff6cb9fe3d91:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2213e81bb1efb8ae23882e610505e1c3da6afcad4e8c2f942e4bff6cb9fe3d91
Status:
ERROR
Block height:
40105672
Block id:
000accc37bd8043bea33551a28e784d0e0111a089d4a1b03fa6648044c85a7ed
Timestamp:
Tuesday 1 November 2022 at 12:13:09 UTC
()
Proposer:
Authorizers:
Gas used:
47