Flow price: --
517ca1e0d07616c9a85c61740cb35be33fc253dd0b36bd8d853f004536beca1a

Transaction

Hash: 517ca1e0d07616c9a85c61740cb35be33fc253dd0b36bd8d853f004536beca1a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 517ca1e0d07616c9a85c61740cb35be33fc253dd0b36bd8d853f004536beca1a: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:
517ca1e0d07616c9a85c61740cb35be33fc253dd0b36bd8d853f004536beca1a
Status:
ERROR
Block height:
39894321
Block id:
0f676e6f02ef6147eff9892052c49e69c286d7f50aaf7d0283c90259aa1414c2
Timestamp:
Friday 28 October 2022 at 23:30:41 UTC
()
Proposer:
Authorizers:
Gas used:
46