Title: Image Optimization Last modified: May 6, 2018 --- # Image Optimization * Resolved [lexuantruong](https://wordpress.org/support/users/lexuantruong/) * (@lexuantruong) * [8 years, 1 month ago](https://wordpress.org/support/topic/image-optimization-16/) * Hi team! When I click update status on image Optimization tab then have a error. How to fix it? Thanks * “IAPI Error “hash does not match: ClientCB[ 404 Page Not Found<\/title > <style type=”text\/css”> * body { background-color: #fff; margin: 40px; font-family: Lucida Grande, Verdana, Sans-serif; font-size: 12px; color: #000; } * #content { border: #999 1px solid; background-color: #fff; padding: 20px 20px 12px 20px; } * h1 { font-weight: normal; font-size: 14px; color: #990000; margin: 0 0 4px 0;} <\/style> <\/head> <body> <div id=”content”> <h1>404 Page Not Found<\/h1> <p> The page you requested was not found.<\/p> <\/div> <\/body> <\/html>] Server[ oE4XC2rrqnHEhYMR]” * Dismiss this notice. Failed to communicate with LiteSpeed IAPI server: “no auth_key” * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fimage-optimization-16%2Fpage%2F2%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 12 replies - 16 through 27 (of 27 total) [←](https://wordpress.org/support/topic/image-optimization-16/?output_format=md) [1](https://wordpress.org/support/topic/image-optimization-16/?output_format=md) 2 * [HMSRE](https://wordpress.org/support/users/hmsre/) * (@hmsre) * [8 years, 1 month ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10283964) * I don’t think its working… * Images requested: 2 groups (30 images) * After LiteSpeed’s Image Optimization Server finishes optimization, it will notify your site to pull the optimized images. This process is automatic. * Nothing has happened. * ——————- Tried to send a new request… * Message from LiteSpeed image server: Errors when handling your previous requests. * Then when I try again, just get more errors. Number of images in one image group( 19) exceeds the credit (0) * Ideas? * Plugin Support [Hai Zheng⚡](https://wordpress.org/support/users/hailite/) * (@hailite) * [8 years, 1 month ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10283979) * Can you try to clear unfinished data and send optimization request again? * [HMSRE](https://wordpress.org/support/users/hmsre/) * (@hmsre) * [8 years, 1 month ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10284403) * Upon trying to “Clean Up Unfinished Data” got this error: * “hash does not match: ClientCB[wrong passive callback] Server[QRyOom1806lrDSd1]” * Then hit UPDATE STATUS, got this message: Message from LiteSpeed image server: Errors when handling your previous requests. * Then hit this: “Send request to reset notify error count” * Looks like only option is to destroy and try again. Not holding my breath though. * Sent new report: Report number: SJUNTGLA * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10285963) * Hi, * Please try destroy and try again. * Best regards, * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10286491) * Hi, * You could also try “Reset IAPI”. * Best regards, * [HMSRE](https://wordpress.org/support/users/hmsre/) * (@hmsre) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10287666) * Ok. I hit the “Reset IAPI” again. Then went through optimizing process again. * Ssid it was successful… then hit “update status”. * IAPI Error “hash does not match: ClientCB[wrong passive callback] Server[0ECPyBxi3qB29eYy]” * Failed to communicate with LiteSpeed IAPI server: “no auth_key” * Frustrating. * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10288129) * Hi, * Reset IAPI , the first few steps were successful , and then no auth_key again? * Best regards, * [HMSRE](https://wordpress.org/support/users/hmsre/) * (@hmsre) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10288909) * Hit the Reset IAPI * Then got this again when I tried to get update. * IAPI Error “hash does not match: ClientCB[wrong passive callback] Server[eomOXDgD5BCO0DHP]” * Failed to communicate with LiteSpeed IAPI server: “no auth_key” * When I hit clean up all unfisnihed, I got this error: * IAPI Error “hash does not match: ClientCB[wrong passive callback] Server[1nKnIn2bxgV5UNx0]” * “no auth_key” * THen I hit the “Destroy All Optimization Data! Rem” * Got this message * IAPI Error “hash does not match: ClientCB[wrong passive callback] Server[3xdVZWMFgiMUa20I]” * Latest Report Report number: IETHPZAX * [Tishu](https://wordpress.org/support/users/tishu/) * (@tishu) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10289646) * Hi [@hmsre](https://wordpress.org/support/users/hmsre/) * Can you run 2 tests: * 1. Disable object cache, clear all cache and test. 2. If its not working again, clear you htaccess file with only default wordpress and litespeed cache rules, clear all cache and test. * [HMSRE](https://wordpress.org/support/users/hmsre/) * (@hmsre) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10292093) * 1. Diabled object cache and purged all. Reset IAPI – Reset IAPI key successfully. * 2. Destroy all Optimizaiton – Message from LiteSpeed image server: Please confirm you want to destroy all image optimization data. Hit the DESTROY IT * 3. Click the Update Status button.[https://hmsre.com/wp-admin/admin.php?page=lscache-optimization&type=sync_data](https://hmsre.com/wp-admin/admin.php?page=lscache-optimization&type=sync_data) * Communicated with LiteSpeed Image Optimization Server successfully. * 4. Click the Send Optimization Request button. Pushed 1 group (10 images) to LiteSpeed optimization server, accepted 1 group (10 images). * 5. Finally got the Pull Images link again. Images notified to pull: 1 group ( 10 images) * Says I can now try to repeat the process… will see how it goes. * **I will wait to see how it progresses… Please let me know if this does work, can I re-enable the object cache (memcached)? * [Tishu](https://wordpress.org/support/users/tishu/) * (@tishu) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10294161) * Hello again, * So i do not see error from the server side and images are optimize right? * Plugin Support [LiteSpeed Lisa](https://wordpress.org/support/users/lclarke/) * (@lclarke) * [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10313298) * Hi, * I’m going to mark this topic “Resolved,” due to lack of activity. * If you still need help, we’ll be happy to reopen the topic. Just reply to this thread, if so. * Thanks! Viewing 12 replies - 16 through 27 (of 27 total) [←](https://wordpress.org/support/topic/image-optimization-16/?output_format=md) [1](https://wordpress.org/support/topic/image-optimization-16/?output_format=md) 2 The topic ‘Image Optimization’ is closed to new replies. * ![](https://ps.w.org/litespeed-cache/assets/icon-256x256.png?rev=2554181) * [LiteSpeed Cache](https://wordpress.org/plugins/litespeed-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/litespeed-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/litespeed-cache/) * [Active Topics](https://wordpress.org/support/plugin/litespeed-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/litespeed-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/litespeed-cache/reviews/) * 27 replies * 6 participants * Last reply from: [LiteSpeed Lisa](https://wordpress.org/support/users/lclarke/) * Last activity: [8 years ago](https://wordpress.org/support/topic/image-optimization-16/page/2/#post-10313298) * Status: resolved