Flow price: --
9863c6f836f3778b1449d73df5470af9e4bf621ef04efd61e35a952b4ccc7901

Transaction

Hash: 9863c6f836f3778b1449d73df5470af9e4bf621ef04efd61e35a952b4ccc7901
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9863c6f836f3778b1449d73df5470af9e4bf621ef04efd61e35a952b4ccc7901:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9863c6f836f3778b1449d73df5470af9e4bf621ef04efd61e35a952b4ccc7901
Status:
ERROR
Block height:
39736587
Block id:
15a18dfb2861b9d99677fc51deefe70d09b3ea09bc22ee2446ead08f0dd478da
Timestamp:
Wednesday 26 October 2022 at 08:02:25 UTC
()
Proposer:
Authorizers:
Gas used:
50