Flow price: --
494f8e8a6238b60afc6014de48067242b0460b9f82cb60f9456cde271d9dbcb9

Transaction

Hash: 494f8e8a6238b60afc6014de48067242b0460b9f82cb60f9456cde271d9dbcb9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 494f8e8a6238b60afc6014de48067242b0460b9f82cb60f9456cde271d9dbcb9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
494f8e8a6238b60afc6014de48067242b0460b9f82cb60f9456cde271d9dbcb9
Status:
ERROR
Block height:
40147263
Block id:
a25140e2008aecfcd288c336bc5ea6570c2a40204344dc165cc8908d9c3972eb
Timestamp:
Wednesday 2 November 2022 at 05:07:37 UTC
()
Proposer:
Authorizers:
Gas used:
47