Flow price: --
651acd81c9f1bcf55a5ff523fcb8d00788309fa5177b5803dc3413b4fd90a1a2

Transaction

Hash: 651acd81c9f1bcf55a5ff523fcb8d00788309fa5177b5803dc3413b4fd90a1a2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 651acd81c9f1bcf55a5ff523fcb8d00788309fa5177b5803dc3413b4fd90a1a2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
651acd81c9f1bcf55a5ff523fcb8d00788309fa5177b5803dc3413b4fd90a1a2
Status:
ERROR
Block height:
40036903
Block id:
82c575fa67baa79d81a74e9a809e01d76405be832f5d0d36c1d0db0f80b5b098
Timestamp:
Monday 31 October 2022 at 08:28:57 UTC
()
Proposer:
Authorizers:
Gas used:
48