Cannot save products - please wait

[sbwcws]

Hello - For some reason I cannot add products 

Its just saying please wait and nothing is happening , any suggestions..

My error log says

2016/05/08 11:10:12 [warn] 725#1374: [ngx_pagespeed 1.11.33.0-0] Rewrite http://ip/static/adminhtml/Magento/backend/en_US/Magento_Catalog/catalog/images/spinner.gif failed while fetching http://IP/static/adminhtml/Magento/backend/en_US/Magento_Catalog/catalog/images/spinner.gif

[wipes]

I have the same issue. However, I tried using Safari and it worked fine.

Must be some cache issue or browser issue. I did try clearing my cache though.. did not try clearing my cookies.