Image Optimization – Cleared 1 invalid images.

Hi,

since upgrade i have issue with database optimization. When i click Send optimization request, i get response: Cleared 1 invalid images. If i do it again, same.

It looks there is no conformation from server. Can you help me with it?
Thank you!
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From WP:

Optimize images with our cloud serverLearn More
You can request a maximum of 200 images at once.

To make sure our server can communicate with your server without any issues and everything works fine, for the few first requests the amount images allowed in single request is limited. Current limit is: 1