Call to undefined method firstOrFail

Asked by: frankl79

Date: 20 Feb 2023

Viewed: 522

Answers: 1

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Question

Hi,

I’m getting this error with Laravel when I try to access a page on my blog.

Call to undefined method IlluminateDatabaseQueryBuilder::firstOrFail()

This is the query I changed:

$category = DB::table('blog_post_categories')->where('slug', $slug)->firstOrFail();

What am I doing wrong?

Answer 1

You cannot use the firstOrFail method with the query builder. You need to use it with Eloquent model.

Try this

$category = BlogCategory::where('slug', $slug)->firstOrFail();

Change the model name if I didn’t get it right.

Call to undefined method firstOrFail