Magento – Magento 2 “Attention Something Went Wrong” Clicking Content>Blocks; Page Doesn’t Load Correctly

adminalertmagento2

I am using Magento 2.0.4, and whenever I click on Content>Elements>Blocks I receive the following error message:
"Attention Something went wrong."

enter image description here

There is no more information, and after clicking OK it goes to the CMS Blocks page with the loading circle, and never stops loading. I am able to click on Add New Block button, and then create and save a new block, but those newly created/saved blocks do not show up in the Blocks page because it never fully loads.

Relevant Platform Install Info (can edit with more if needed): Magento version 2.0.4, PHP version 5.6.20

Browsers I've tested this issue on: Firefox 45.0.1, IE 11.0.9600.18231, Chrome 49.0.2623.110

This is a Magento install directly from the magentocommerce website, and not any kind of github download. After upgrading from Magento 2.0.2 to Magento 2.0.4 I already flushed everything, deleted static content, and ran the command to redeploy static content.

Please let me know what I'm missing here. Is this a permissions issue on the back end somewhere?, a coding issue, a known issue, or what is going on? I don't seem to be getting this error message when I click on anything else in the Admin Panel (for example, Pages, Themes, Widgets, and more all load correctly and generate no error message).

Best Answer

You should check the var/logs folder to see if something went wrong and also your server logs.

For me the issue was related to this one https://github.com/magento/magento2/issues/5418.

Gone into db table cataloginventory_stock_item and delete duplicates and then the issue dissapeared.

If that doesn't solve it, you can try:

1) cd into pub/static and run find . -depth -name .htaccess -prune -o -delete

2) cd into root folder and run rm -rf var/cache/ var/generation/ var/page_cache/ var/view_preprocessed/

3) run php bin/magento setup:static-content:deploy

If this doesn't solve it you could take the radical option to reinstall:

1) delete the vendor folder rm -rf vendor/* and also the composer.lock file in root.

2) run composer install

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