Flow price: --
ad3f9433cc60cb9a12c6c60e896624eb065178f76a0452cc5b41bf0b0cf6f086

Transaction

Hash: ad3f9433cc60cb9a12c6c60e896624eb065178f76a0452cc5b41bf0b0cf6f086
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad3f9433cc60cb9a12c6c60e896624eb065178f76a0452cc5b41bf0b0cf6f086:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ad3f9433cc60cb9a12c6c60e896624eb065178f76a0452cc5b41bf0b0cf6f086
Status:
ERROR
Block height:
39861105
Block id:
4056a0e296f579480e350579dc5136b43984bfb1e9b1d903e77cfe9a2b5c4697
Timestamp:
Friday 28 October 2022 at 10:15:20 UTC
()
Proposer:
Authorizers:
Gas used:
46