Reviews not showing

Hi, this plugin used to work very good, but suddenly stopped showing the latest Reviews. I don’t know if it has anything to do with “WP Fastest Cache” or not. But I have disabled the cache and still no luck.

Here’s the debug info:

URL: https://www.lifeingermany.ir
PHP Version: 7.0.33
WP Version: 5.0.8
Active Theme:
Education Pro Theme 3.0.0
URLOpen Method: curl
URLOpen allow: 
Plugin Version: 1.8.6
Settings:
grw_version: 1.8.6
grw_active: 1
grw_google_api_key: AIzaSyAWwVe1ycKUbw8zMetjqBGwWQOYgI9ZILs
grw_language: 
grw_activation_time: 1584125414
grw_rev_notice_hide: 
rplg_rev_notice_show: 

Widgets: Array
(
    [_multiwidget] => 1
)
1

Plugins:
301 Redirects 2.45 (active)
Autoptimize 2.5.0 
Classic Editor 1.5 (active)
Contextual Related Posts 2.8.0 (active)
Easy Pricing Tables by Fatcat Apps 2.4.4 (active)
Genesis eNews Extended 2.1.1 (active)
Genesis Responsive Slider 1.0.1 (active)
Genesis Simple Edits 2.3.0 (active)
Genesis Simple Hooks 2.3.0 (active)
Google Review Slider 10.2 
Google Reviews Widget 1.8.6 (active)
Gravity Forms 1.8.14 (active)
Image Widget 4.4.7 (active)
kk Star Ratings 4.1.3 (active)
LayerSlider WP 5.0.2 (active)
Limit Login Attempts 1.7.1 (active)
LiteSpeed Cache 2.9.8 
MailPoet 2 2.13 (active)
Nofollow for external link 1.2.2 (active)
Page scroll to id 1.6.7 (active)
Permalinks Moved Permanently 1.3 (active)
PHP Code For Posts 2.2.2.1 (active)
Really Simple CAPTCHA 2.0.2 (active)
Scroll Triggered Boxes 2.2.3 (active)
Search & Replace 3.2.1 (active)
Shortcodes Ultimate 5.8.0 (active)
Simple Social Icons 3.0.1 (active)
Tag Pages 1.0.2 (active)
TinyMCE Advanced 4.8.2 (active)
Wordfence Security 7.2.5 
wp-jalali 5.0.1 (active)
WP-Optimize - Clean, Compress, Cache 3.0.11 
WP Fastest Cache 0.9.0.4 (active)
WP Google Review Slider 6.6 
WP No External Links 1.0.2 
Yoast SEO 11.8 (active)

DB Places: Array
(
    [0] => stdClass Object
        (
            [id] => 1
            [place_id] => ChIJj-EroGcov0cRGYnSqSYVrk0
            [name] => Wise Business Group
            [photo] => 
            [icon] => https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png
            [address] => Bonner Str. 484, 50968 Köln, Germany
            [rating] => 4.7
            [url] => https://maps.google.com/?cid=5597434642670192921
            [website] => http://wisebusiness-germany.com/
            [review_count] => 46
            [updated] => 
        )

)
1
DB Places error: 
DB Reviews: Array
(
    [0] => stdClass Object
        (
            [id] => 1
            [google_place_id] => 1
            [hash] => 1580218551
            [rating] => 5
            [text] => xx
            [time] => 1580218551
            [language] => en
            [author_name] => xx
            [author_url] => https://www.google.com/maps/contrib/115830149331380920331/reviews
            [profile_photo_url] => https://lh6.ggpht.com/-dbHkN3k5rvQ/AAAAAAAAAAI/AAAAAAAAAAA/8es5DNxWnfg/s128-c0x00000000-cc-rp-mo/photo.jpg
            [hide] => 
        )

    [1] => stdClass Object
        (
            [id] => 2
            [google_place_id] => 1
            [hash] => 1570718801
            [rating] => 5
            [text] => xx
            [time] => 1570718801
            [language] => en
            [author_name] => xx
            [author_url] => https://www.google.com/maps/contrib/111667833407138646353/reviews
            [profile_photo_url] => https://lh5.ggpht.com/-bC0xYh5Y4bo/AAAAAAAAAAI/AAAAAAAAAAA/eAT27NdnFEo/s128-c0x00000000-cc-rp-mo/photo.jpg
            [hide] => 
        )

    [2] => stdClass Object
        (
            [id] => 3
            [google_place_id] => 1
            [hash] => 1568845528
            [rating] => 5
            [text] => xx
            [time] => 1568845528
            [language] => en
            [author_name] => xx
            [author_url] => https://www.google.com/maps/contrib/104832708886755176169/reviews
            [profile_photo_url] => https://lh6.ggpht.com/-TimrXqUihY0/AAAAAAAAAAI/AAAAAAAAAAA/bfBiMdG37_g/s128-c0x00000000-cc-rp-mo/photo.jpg
            [hide] => 
        )

    [3] => stdClass Object
        (
            [id] => 4
            [google_place_id] => 1
            [hash] => 1568974638
            [rating] => 5
            [text] => xx
            [time] => 1568974638
            [language] => en
            [author_name] => xx
            [author_url] => https://www.google.com/maps/contrib/116373309653080971174/reviews
            [profile_photo_url] => https://lh3.ggpht.com/-6x2BN-_Gvoc/AAAAAAAAAAI/AAAAAAAAAAA/D-2ng4zK8N8/s128-c0x00000000-cc-rp-mo/photo.jpg
            [hide] => 
        )

    [4] => stdClass Object
        (
            [id] => 5
            [google_place_id] => 1
            [hash] => 1561901288
            [rating] => 4
            [text] => xx
            [time] => 1561901288
            [language] => en
            [author_name] => xx
            [author_url] => https://www.google.com/maps/contrib/108141629232071771681/reviews
            [profile_photo_url] => https://lh6.ggpht.com/-zkSKxDzYmFY/AAAAAAAAAAI/AAAAAAAAAAA/ttNX_bPiyOY/s128-c0x00000000-cc-rp-mo/photo.jpg
            [hide] => 
        )

)
1
DB Reviews error: 

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