Flow price: --
21c8a65fe0b23cd3db7d32d6bfd744b3bf4f93a174d9693eb72a5052c8c137b3

Transaction

Hash: 21c8a65fe0b23cd3db7d32d6bfd744b3bf4f93a174d9693eb72a5052c8c137b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21c8a65fe0b23cd3db7d32d6bfd744b3bf4f93a174d9693eb72a5052c8c137b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21c8a65fe0b23cd3db7d32d6bfd744b3bf4f93a174d9693eb72a5052c8c137b3
Status:
ERROR
Block height:
39934029
Block id:
0e7fc8b86f51548b197e630c8d607dbc95a8d88c866421012b2727200b393cc1
Timestamp:
Saturday 29 October 2022 at 15:27:31 UTC
()
Proposer:
Authorizers:
Gas used:
45