Title: Fatal error
Last modified: September 5, 2016

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# Fatal error

 *  Resolved [TKList](https://wordpress.org/support/users/tklist/)
 * (@tklist)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/)
 * PHP Fatal error: Call to a member function data() on null in wp-content plugins
   ewww-image-optimizer common.php on line 3310
 * Happens on every post.
    Tried deleting and reinstalling ewww plugin. No help.

Viewing 9 replies - 1 through 9 (of 9 total)

 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8138903)
 * It’s a problem that surfaces only when the WP Retina 2x plugin is active. I’ll
   get a fix out soon.
 *  Thread Starter [TKList](https://wordpress.org/support/users/tklist/)
 * (@tklist)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8142117)
 * Thanks.
 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8142142)
 * download this and install it: [https://downloads.wordpress.org/plugin/ewww-image-optimizer.zip](https://downloads.wordpress.org/plugin/ewww-image-optimizer.zip)
 *  Thread Starter [TKList](https://wordpress.org/support/users/tklist/)
 * (@tklist)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8142921)
 * Now I am getting this:
    EWWW Image Optimizer uses jpegtran, optipng, pngout, 
   pngquant, gifsicle, and cwebp. You are missing: optipng, gifsicle. Please install
   via the Settings Page or the Installation Instructions.
 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8144944)
 * Did you use the WordPress uploader, or use FTP to install the new version? If
   you used FTP, you have to put it into BIN (binary) mode, or it corrupts the binaries.
 *  Thread Starter [TKList](https://wordpress.org/support/users/tklist/)
 * (@tklist)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8145149)
 * FTP, I do not know anything about BIN (binary) mode.
 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8145328)
 * then use the WP uploader or wait for 2.9.8
 *  Thread Starter [TKList](https://wordpress.org/support/users/tklist/)
 * (@tklist)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8145586)
 * I deleted and reinstalled using WordPress installer.
    Everything is working now,
   thank you again.
 *  Plugin Author [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * (@nosilver4u)
 * [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8147234)
 * FYI, that’s because I reverted the stable tag to 2.9.6 until I could sort out
   another bug. The error your reported, and the other bugfix will be released in
   2.9.8 tomorrow unless something crazy happens.

Viewing 9 replies - 1 through 9 (of 9 total)

The topic ‘Fatal error’ is closed to new replies.

 * ![](https://ps.w.org/ewww-image-optimizer/assets/icon-256x256.png?rev=1582276)
 * [EWWW Image Optimizer](https://wordpress.org/plugins/ewww-image-optimizer/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/ewww-image-optimizer/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/ewww-image-optimizer/)
 * [Active Topics](https://wordpress.org/support/plugin/ewww-image-optimizer/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/ewww-image-optimizer/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/ewww-image-optimizer/reviews/)

 * 9 replies
 * 2 participants
 * Last reply from: [nosilver4u](https://wordpress.org/support/users/nosilver4u/)
 * Last activity: [9 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-91/#post-8147234)
 * Status: resolved