Flow price: --
1e217c3b33d1038c4165819fc96bf50bb8c69c409669bc2f06619418534490a8

Transaction

Hash: 1e217c3b33d1038c4165819fc96bf50bb8c69c409669bc2f06619418534490a8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e217c3b33d1038c4165819fc96bf50bb8c69c409669bc2f06619418534490a8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1e217c3b33d1038c4165819fc96bf50bb8c69c409669bc2f06619418534490a8
Status:
ERROR
Block height:
39863042
Block id:
11e1f4f7b3d3a9b4ae24d742c42dd387858ab205ba4f5d447bd064a70421b1e0
Timestamp:
Friday 28 October 2022 at 11:02:05 UTC
()
Proposer:
Authorizers:
Gas used:
50