Flow price: --
7d8c21c6d45996812098e4697dc1d20df8d6d77b937c6a47cb5807347adf8de6

Transaction

Hash: 7d8c21c6d45996812098e4697dc1d20df8d6d77b937c6a47cb5807347adf8de6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7d8c21c6d45996812098e4697dc1d20df8d6d77b937c6a47cb5807347adf8de6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7d8c21c6d45996812098e4697dc1d20df8d6d77b937c6a47cb5807347adf8de6
Status:
ERROR
Block height:
40041454
Block id:
ebfe5b772b714d406a35959b1e54b06da6fa92f5ead317dad1bf490d5f81cd8b
Timestamp:
Monday 31 October 2022 at 10:19:38 UTC
()
Proposer:
Authorizers:
Gas used:
52