Aliexpress plugin created trouble and cannot be activated

Hello, can you please take a look at my website? I purchased Aliexpress plugin and enjoyed using it, but today I found problem that my website was suddenly turn into error, as shown in the screenshot. I contacted my hosting provider and managed to solve it but the said the Aliexpress plugin is disabled now because they said it caused the problem. The translation of the screenshot is: THERE IS AN ERROR WITH YOUR WORDPRESS WEBSITE.

Can you please take a look? I have provided the details in the information below. Thank you.

Natalia