Flow price: --
19c55e5f8d6d8f86cc1b35e0e1b47c4b69f9211993182f7339ea0da4b053705b

Transaction

Hash: 19c55e5f8d6d8f86cc1b35e0e1b47c4b69f9211993182f7339ea0da4b053705b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19c55e5f8d6d8f86cc1b35e0e1b47c4b69f9211993182f7339ea0da4b053705b: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:
19c55e5f8d6d8f86cc1b35e0e1b47c4b69f9211993182f7339ea0da4b053705b
Status:
ERROR
Block height:
40101724
Block id:
06bd71fd5e865a091309ba41077369be5f3f3cece6db00f7f2d95f49fca1ae5e
Timestamp:
Tuesday 1 November 2022 at 10:36:53 UTC
()
Proposer:
Authorizers:
Gas used:
47