Flow price: --
8b23910c000b2b3b08e6f94f8d548bb812d1ed79ff19bc1e7122722e01d4cc90

Transaction

Hash: 8b23910c000b2b3b08e6f94f8d548bb812d1ed79ff19bc1e7122722e01d4cc90
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8b23910c000b2b3b08e6f94f8d548bb812d1ed79ff19bc1e7122722e01d4cc90:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8b23910c000b2b3b08e6f94f8d548bb812d1ed79ff19bc1e7122722e01d4cc90
Status:
ERROR
Block height:
39843691
Block id:
21e353a6e99ba75e65592e1d7c203677ad2d855a4f84073ad42d3feffd7bb730
Timestamp:
Friday 28 October 2022 at 03:13:15 UTC
()
Proposer:
Authorizers:
Gas used:
46