Title: Technical Issue &#8211; Twig
Last modified: September 6, 2019

---

# Technical Issue – Twig

 *  Resolved [minhazulOO7](https://wordpress.org/support/users/minhazul007/)
 * (@minhazul007)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/technical-issue-twig-3/)
 * Getting this error email if I try to install/ activate any plugin,
 *     ```
       Error Details 
       ============= 
       An error of type E_ERROR was caused in line 56 of the file 
       /home/domain.tld/public_html/wp-content/plugins/wp-simple-firewall/src/lib/vendor/twig/twig/src/Lexer.php. 
       Error message: Uncaught TypeError: Argument 1 passed to 
       Twig\Lexer::__construct() must be an instance of Twig\Environment, 
       instance of Twig_Environment given, called in 
       /home/domain.tld/public_html/wp-content/plugins/data-tables-generator-by-supsystic/vendor/Twig/Environment.php 
       on line 650 and defined in 
       /home/domain.tld/public_html/wp-content/plugins/wp-simple-firewall/src/lib/vendor/twig/twig/src/Lexer.php:56 
       Stack trace: 
       #0 /home/domain.tld/public_html/wp-content/plugins/data-tables-generator-by-supsystic/vendor/Twig/Environment.php(650): 
       Twig\Lexer->__construct(Object(Twig_Environment)) 
       #1 /home/domain.tld/public_html/wp-content/plugins/data-tables-generator-by-supsystic/vendor/Twig/Environment.php(750): 
       Twig_Environment->tokenize(Object(Twig\Source)) 
       #2 /home/domain.tld/public_html/wp-content/plugins/data-tables-generator-by-supsystic/vendor/Twig/Environment.php(447): 
       Twig_Environment->compileSource(Object(Twig\Source))
       ...
       ```
   

Viewing 1 replies (of 1 total)

 *  Thread Starter [minhazulOO7](https://wordpress.org/support/users/minhazul007/)
 * (@minhazul007)
 * [6 years, 9 months ago](https://wordpress.org/support/topic/technical-issue-twig-3/#post-11907977)
 * OPS! SORRY! PREVIOUS [POST](https://wordpress.org/support/topic/your-site-is-experiencing-a-technical-issue-twig/)
   WAS ACCEPTED BY WORDPRESS MODERATOR! DIDN’T SAW THAT!
    -  This reply was modified 6 years, 9 months ago by [minhazulOO7](https://wordpress.org/support/users/minhazul007/).
    -  This reply was modified 6 years, 9 months ago by [minhazulOO7](https://wordpress.org/support/users/minhazul007/).

Viewing 1 replies (of 1 total)

The topic ‘Technical Issue – Twig’ is closed to new replies.

 * ![](https://ps.w.org/wp-simple-firewall/assets/icon-256x256.png?rev=3054572)
 * [Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning](https://wordpress.org/plugins/wp-simple-firewall/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-simple-firewall/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-simple-firewall/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-simple-firewall/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-simple-firewall/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-simple-firewall/reviews/)

## Tags

 * [Shield Security](https://wordpress.org/support/topic-tag/shield-security/)
 * [technical issue](https://wordpress.org/support/topic-tag/technical-issue/)

 * 1 reply
 * 1 participant
 * Last reply from: [minhazulOO7](https://wordpress.org/support/users/minhazul007/)
 * Last activity: [6 years, 9 months ago](https://wordpress.org/support/topic/technical-issue-twig-3/#post-11907977)
 * Status: resolved