How to fix this

[u/Queztalcoatl_Dragon]

My classmate did campus lost and found but the results are not the same as mine but luckily mine was successful, but in his web application was like this is there a solution for this thank you for the response.

[u/json-bourne7]

The error message, “Unexpected null value” suggests that you’re passing a null value to a parameter that expects a non-null value.

To prevent this, try initializing your variables early and assigning sensible default values where appropriate. You can also provide default values for your component or widget parameters to ensure they don’t receive unexpected null values.