Flow price: --
54be60e47bb7cc38548fd5cd0ca3179be6577a962f035b22eb62f44723100aa2

Transaction

Hash: 54be60e47bb7cc38548fd5cd0ca3179be6577a962f035b22eb62f44723100aa2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 54be60e47bb7cc38548fd5cd0ca3179be6577a962f035b22eb62f44723100aa2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
54be60e47bb7cc38548fd5cd0ca3179be6577a962f035b22eb62f44723100aa2
Status:
ERROR
Block height:
40084651
Block id:
aa8939a6b53ba62f5e0d801bba4ceac1e80091602f6450e64147c8d64111efda
Timestamp:
Tuesday 1 November 2022 at 03:40:40 UTC
()
Proposer:
Authorizers:
Gas used:
48