Flow price: --
1f24b02d726dbda3eb97b494b7b9f3d904efaad62dad891e1798aee159581bc7

Transaction

Hash: 1f24b02d726dbda3eb97b494b7b9f3d904efaad62dad891e1798aee159581bc7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f24b02d726dbda3eb97b494b7b9f3d904efaad62dad891e1798aee159581bc7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1f24b02d726dbda3eb97b494b7b9f3d904efaad62dad891e1798aee159581bc7
Status:
ERROR
Block height:
39979886
Block id:
ba87c7c864ffc7ea7dc5bd33c5877d3f95c4e945cb5d568402927403b0cf0c7c
Timestamp:
Sunday 30 October 2022 at 09:42:59 UTC
()
Proposer:
Authorizers:
Gas used:
47