Flow price: --
9ad67656441f4cd383e10e40e7c81a27622d586aa108b546c75552a71320e20d

Transaction

Hash: 9ad67656441f4cd383e10e40e7c81a27622d586aa108b546c75552a71320e20d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9ad67656441f4cd383e10e40e7c81a27622d586aa108b546c75552a71320e20d: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:
9ad67656441f4cd383e10e40e7c81a27622d586aa108b546c75552a71320e20d
Status:
ERROR
Block height:
40045078
Block id:
88e9b9e86bb73b51b757fe3529fe4b40b820eb73842058ef34ed47b5d68aaa31
Timestamp:
Monday 31 October 2022 at 11:46:58 UTC
()
Proposer:
Authorizers:
Gas used:
50