Flow price: --
af838c6f042e7ebd09147e84f12d2aa49106cf348076959c9c422eea1fa91e0e

Transaction

Hash: af838c6f042e7ebd09147e84f12d2aa49106cf348076959c9c422eea1fa91e0e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> af838c6f042e7ebd09147e84f12d2aa49106cf348076959c9c422eea1fa91e0e: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:
af838c6f042e7ebd09147e84f12d2aa49106cf348076959c9c422eea1fa91e0e
Status:
ERROR
Block height:
40099149
Block id:
47525255f845241bc8fdea3a14ad9a1063476d9bc1b85e1069f0c54c121128b9
Timestamp:
Tuesday 1 November 2022 at 09:34:41 UTC
()
Proposer:
Authorizers:
Gas used:
50