Flow price: --
1b85d99002b56b843a2fe4100cb9688e93984e797bc4223164b6038dc68e0052

Transaction

Hash: 1b85d99002b56b843a2fe4100cb9688e93984e797bc4223164b6038dc68e0052
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b85d99002b56b843a2fe4100cb9688e93984e797bc4223164b6038dc68e0052:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1b85d99002b56b843a2fe4100cb9688e93984e797bc4223164b6038dc68e0052
Status:
ERROR
Block height:
39872739
Block id:
9d85543e06c6ae84a6b75c29bcdf8a902396769e9acc31cb597f014f92d47dde
Timestamp:
Friday 28 October 2022 at 14:55:37 UTC
()
Proposer:
Authorizers:
Gas used:
47