Flow price: --
515a52a1f4969c3c14c0f690e4496e36f785fd301b99292e591187f6c93caa8d

Transaction

Hash: 515a52a1f4969c3c14c0f690e4496e36f785fd301b99292e591187f6c93caa8d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 515a52a1f4969c3c14c0f690e4496e36f785fd301b99292e591187f6c93caa8d: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:
515a52a1f4969c3c14c0f690e4496e36f785fd301b99292e591187f6c93caa8d
Status:
ERROR
Block height:
40130588
Block id:
71e77876e878dae0d21eb417084a5715f0e804ad77321b03a032d2a805e4425c
Timestamp:
Tuesday 1 November 2022 at 22:21:11 UTC
()
Proposer:
Authorizers:
Gas used:
47