Flow price: --
da76e66ccb5f8500fd948a19b35521dc7edb99ffb1e160794a4434f31e661847

Transaction

Hash: da76e66ccb5f8500fd948a19b35521dc7edb99ffb1e160794a4434f31e661847
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> da76e66ccb5f8500fd948a19b35521dc7edb99ffb1e160794a4434f31e661847:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
da76e66ccb5f8500fd948a19b35521dc7edb99ffb1e160794a4434f31e661847
Status:
ERROR
Block height:
40146661
Block id:
5befa6648f8843d2b7b13bcf5a00a5072f2aef50b569633df64b3f843066421c
Timestamp:
Wednesday 2 November 2022 at 04:52:31 UTC
()
Proposer:
Authorizers:
Gas used:
49