/PHP/Error: Call to a member function addEagerConstraints() on null in file

Error: Call to a member function addEagerConstraints() on null in file

Call to a member function addEagerConstraints() on null

You are missing return statements in the methods that define relations. They need to return relation definition.

Error: Call to a member function addEagerConstraints() on null in file

in your relationship you are missing return statement, 
please follow the following example

public function user() {
        $this->belongsTo(User::class,'user_id','id');
}

to 
  
public function user() {
        return $this->belongsTo(User::class,'user_id','id');
    }

Source: stackoverflow.com

Similar codes

0 vote249 views2 answers
Php decrement variable
PHP
9 votes327 views2 answers
Random string value laravel
PHP Laravel
1 vote268 views3 answers
Php get values that exist in both arrays
PHP
-1 vote288 views1 answer
Send email when form is submitted php
PHP
10 votes310 views5 answers
How to remove public from url in laravel
PHP Laravel
1 vote248 views2 answers
Define multiple variables in one line php
PHP
0 vote252 views1 answer
Double in php
PHP
4 votes272 views5 answers
Laravel db inserr
PHP
1 vote300 views1 answer
Php routing htaccess
PHP
1 vote279 views2 answers
Laravel middleware in constructor
PHP