Flow price: --
848dc334dfb3ab13ef71d47cee868aee2b917a53b45255bf4a9e98863d1f5586

Transaction

Hash: 848dc334dfb3ab13ef71d47cee868aee2b917a53b45255bf4a9e98863d1f5586
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 848dc334dfb3ab13ef71d47cee868aee2b917a53b45255bf4a9e98863d1f5586:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
848dc334dfb3ab13ef71d47cee868aee2b917a53b45255bf4a9e98863d1f5586
Status:
ERROR
Block height:
40113004
Block id:
21cc21abf2088d75fb7773609ecd16dc2f59f85b7907cc8a7beb8594b329fca5
Timestamp:
Tuesday 1 November 2022 at 15:10:37 UTC
()
Proposer:
Authorizers:
Gas used:
47