Flow price: --
719c139d5e833f83e1ffbaacd834f4e007bc5b8315617dfd971bd4fb1d4f92f9

Transaction

Hash: 719c139d5e833f83e1ffbaacd834f4e007bc5b8315617dfd971bd4fb1d4f92f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 719c139d5e833f83e1ffbaacd834f4e007bc5b8315617dfd971bd4fb1d4f92f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
719c139d5e833f83e1ffbaacd834f4e007bc5b8315617dfd971bd4fb1d4f92f9
Status:
ERROR
Block height:
39928020
Block id:
3012a2d03f691c54eb00da6db3bf9a38e4dfe434568db0f3fb340c5470a8b3a7
Timestamp:
Saturday 29 October 2022 at 13:01:16 UTC
()
Proposer:
Authorizers:
Gas used:
46