Flow price: --
9a8d151383582c748b160287c7457e7b2957ea1d6d69e0b0bae9112f8aa50438

Transaction

Hash: 9a8d151383582c748b160287c7457e7b2957ea1d6d69e0b0bae9112f8aa50438
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a8d151383582c748b160287c7457e7b2957ea1d6d69e0b0bae9112f8aa50438:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9a8d151383582c748b160287c7457e7b2957ea1d6d69e0b0bae9112f8aa50438
Status:
ERROR
Block height:
40052977
Block id:
7d476fe13f009d08d436bb014ad899c0fb89210abc22f0efdff9c8e79283226e
Timestamp:
Monday 31 October 2022 at 14:58:20 UTC
()
Proposer:
Authorizers:
Gas used:
50