![The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org](https://www.drupal.org/files/issues/2019-06-16/Node%20Group%20entity%20reference%20view%202019-06-16_19-10-25_0.png "The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org")
The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org
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Strict warning: Only variables should be passed by reference [#2149287] | Drupal.org
![Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org](https://www.drupal.org/files/issues/display1.PNG "Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org")
Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org
![Only variables should be passed by reference [#1329200] | Drupal.org](https://www.drupal.org/files/submenutree_error.jpg "Only variables should be passed by reference [#1329200] | Drupal.org")
Only variables should be passed by reference [#1329200] | Drupal.org
![Variables placed in email body not being replaced with actual value [#3056302] | Drupal.org](https://www.drupal.org/files/issues/2019-05-22/email_received.png "Variables placed in email body not being replaced with actual value [#3056302] | Drupal.org")
Variables placed in email body not being replaced with actual value [#3056302] | Drupal.org
Varnish for Drupal 8 | Dropsolid.io
![Fix PHP Strict warning: Only variables should be passed by reference. [#2272607] | Drupal.org](https://www.drupal.org/files/issues/Screenshot%20from%202014-05-22%2020:04:09.png "Fix PHP Strict warning: Only variables should be passed by reference. [#2272607] | Drupal.org")
Fix PHP Strict warning: Only variables should be passed by reference. [#2272607] | Drupal.org
![The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org](https://www.drupal.org/files/issues/2019-06-16/node_group_reference%20cannot%20be%20found%202019-06-16_19-17-12.png "The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org")
The reference view cannot be found' message is shown when the view exists and can be configured normally [#3062155] | Drupal.org
Code reference information | PhpStorm
![Only variables should be passed by reference [#2973834] | Drupal.org](https://www.drupal.org/files/styles/drupalorg_user_picture/public/user-pictures/picture-1940068-1486167151.jpg?itok=2tls12W3 "Only variables should be passed by reference [#2973834] | Drupal.org")
Only variables should be passed by reference [#2973834] | Drupal.org
PHP7: "Notice: Only variables should be passed by reference" - WPML
Drupal migrations reference: List of configuration options for source plugins | Understand Drupal
How to Use Entity Reference Views in Drupal 8
Getting Started with Drupal 8 Migrations | Aten Design Group
Code reference information | PhpStorm
Drupal 8 Services, Dependency Injection, and Decoupling Your Code | FFW
Configuring Gitlab to run Drupal Test Traits for your Drupal 8 site | Axelerant
Drupal 8 & SimpleSAMLPHP Library – TA Digital Labs
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Notice: Only variables should be passed by reference [#2936867] | Drupal.org
![Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org](https://www.drupal.org/files/issues/display2.PNG "Strict warning: Only variables should be passed by reference [#2892182] | Drupal.org")