Flow price: --
05b5a824184726095ca614a08e077a14293e3c28f8e9ec5a385a83c78ab36f28

Transaction

Hash: 05b5a824184726095ca614a08e077a14293e3c28f8e9ec5a385a83c78ab36f28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 05b5a824184726095ca614a08e077a14293e3c28f8e9ec5a385a83c78ab36f28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
05b5a824184726095ca614a08e077a14293e3c28f8e9ec5a385a83c78ab36f28
Status:
ERROR
Block height:
40170610
Block id:
9dd9d02a9e48db2423a2a20824e18dbebb0f1876ecf4656b0dcc11ae5c8e0fab
Timestamp:
Wednesday 2 November 2022 at 14:35:21 UTC
()
Proposer:
Authorizers:
Gas used:
47