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Theme developer module crashes the whole site when enabled, how to fix?

I’m working on a clean Drupal 7.x installation, downloaded Theme developer and its dependent module simplehtmldom API( another required module for Theme developer) using drush.

I found out that simplehtmldom 7.x-2.x is incompatible; so I removed it, and Installed the 7.x-1.12 version using Drush, enabled it, enabled the Theme developer module was available to be enabled. Now the site doesn’t work anymore.

All I’m seeing is just some tags like this.

< /> < /> < /> < /> < /> < /> < /> < /> < /> < />

The problem is fixed when I disable the Theme developer module manually with Drush; everything gets back to normal, when I disabled that module.

I’ve tried to navigate the site using /node/1 and tried to go to the administration panel; all I noticed is that the title of the page (the one appearing on the browser’s tab) appears but the content seems to be the same.

How do I solve this issue?

This is a screenshot.

Drupal Error devel_themer

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Theme developer module crashes the whole site when enabled, how to fix?

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