Bib does not display

Hi,

I want to use zotpress and managed to connect to zotero and Browse does show my library and also the tags I use but it does not load/display the items.

PHP error log contains the following.

Any help would be greatly appreciated.

Best
Stefan

count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 15:53:15 UTC] PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 15:57:50 UTC] PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 15:59:47 UTC] PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 15:59:55 UTC] PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 15:59:56 UTC] PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 16:00:06 UTC] PHP Warning:  count(): Parameter must be an array or an object that implements Countable in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/shortcode/shortcode.request.php on line 359
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 288
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 289
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 290
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 291
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 292
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 293
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 294
[09-Apr-2021 16:00:22 UTC] PHP Warning:  First parameter must either be an object or the name of an existing class in /www/htdocs/so-isser-der-ossi.de/wp-content/plugins/zotpress/lib/request/request.class.php on line 295

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