Flow price: --
9e896519c1af95cea18ec49472bbbef30450e1b1468e99a7e0c2dc01045d73a2

Transaction

Hash: 9e896519c1af95cea18ec49472bbbef30450e1b1468e99a7e0c2dc01045d73a2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e896519c1af95cea18ec49472bbbef30450e1b1468e99a7e0c2dc01045d73a2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e896519c1af95cea18ec49472bbbef30450e1b1468e99a7e0c2dc01045d73a2
Status:
ERROR
Block height:
40117320
Block id:
70b42b668f3361e5c5f2a8379e1bbc541cf1ca03b88d97444a51da64760bd6e3
Timestamp:
Tuesday 1 November 2022 at 16:55:59 UTC
()
Proposer:
Authorizers:
Gas used:
46