Flow price: --
8d0b25e7f6004f3101fd1ffd505494005b649643a78b9256bec1d3ec6e991093

Transaction

Hash: 8d0b25e7f6004f3101fd1ffd505494005b649643a78b9256bec1d3ec6e991093
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8d0b25e7f6004f3101fd1ffd505494005b649643a78b9256bec1d3ec6e991093:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8d0b25e7f6004f3101fd1ffd505494005b649643a78b9256bec1d3ec6e991093
Status:
ERROR
Block height:
39903298
Block id:
43b0d5d1d4ad01ebec6948639bb1a4b4cf7b5bc8bfc335b84e2a56af5ab5e23f
Timestamp:
Saturday 29 October 2022 at 03:04:36 UTC
()
Proposer:
Authorizers:
Gas used:
46