/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

1 vote100 views2 answers
Decode jwt token laravel
PHP
8 votes167 views6 answers
Print last query in codeigniter
PHP CodeIgniter
1 vote114 views1 answer
Add a year php
PHP
2 votes114 views2 answers
Php get epoch timestamp of date
PHP
22 votes122 views6 answers
Php array_merge
PHP
1 vote101 views1 answer
Append single qoute arounf variable in php string
PHP
1 vote107 views1 answer
Put img in timestamp using php
PHP
1 vote99 views1 answer
Fatal error: Exception thrown without a stack frame in Unknown on line php
PHP
0 vote110 views2 answers
Php date format iso
PHP
0 vote135 views1 answer
Set default value for column in laravel model
PHP Laravel