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Hi there,

are you using GenerateBlocks Pro ? If so, is it enabled on the site with errors ?

Is it possible to get an Admin login to the production site ?
You can use the Private Information field below to share any details.

Hi Jakub,

Can you also share the link to the login page?

Couple of things:

1. Are you using GenerateBlocks Pro on the staging site ? See here:

https://www.screencast.com/t/xARCGiuj

2. Can you edit the Archives content template in Appearance > Elements and change the container Background image, which is used for the fallback, its currently getting an image from the gpsites server.

OK, so the Content Template has some code which only works with GB Pro. And in PHP 8x it will throw those warnings.]
So edit the Content Template.
Switch the editor to the Code Editor, and replace the code with:

<!-- wp:generateblocks/container {"uniqueId":"d2cafe96","borderColor":"var(\u002d\u002dcontrast-4)","backgroundColor":"var(\u002d\u002dbase-2)","isDynamic":true,"blockVersion":3,"useInnerContainer":true,"paddingTop":"0","paddingRight":"0","paddingBottom":"0","paddingLeft":"0","borderSizeTop":"0","borderSizeRight":"0","borderSizeBottom":"2","borderSizeLeft":"0","borderRadiusTopRight":"8","borderRadiusBottomRight":"8","borderRadiusBottomLeft":"8","borderRadiusTopLeft":"8","className":"archives-single"} -->
<!-- wp:generateblocks/container {"uniqueId":"e57e1faa","bgImage":{"id":2030,"image":{"url":"https://labory55.com/wp-content/uploads/2022/11/konope-1.jpg","height":1285,"width":1920,"orientation":"landscape"}},"isDynamic":true,"blockVersion":3,"useInnerContainer":true,"sizing":{"minHeight":"220px"},"paddingTop":"20","paddingLeft":"20","borderRadiusTopRight":"6","borderRadiusTopLeft":"6","gpDynamicImageBg":"featured-image","gpUseFallbackImageBg":true} -->
<!-- wp:generateblocks/headline {"uniqueId":"007eea6c","blockVersion":2,"element":"h5","display":"inline-block","fontWeight":"bold","fontSize":15,"marginBottom":"0","marginUnit":"em","paddingTop":"6","paddingRight":"20","paddingBottom":"6","paddingLeft":"20","borderRadiusTopRight":"3","borderRadiusBottomRight":"3","borderRadiusBottomLeft":"3","borderRadiusTopLeft":"3","inlineWidth":true,"backgroundColor":"var(\u002d\u002dbase-3)","textColor":"var(\u002d\u002daccent)","gpDynamicTextType":"post-date","gpDynamicTextReplace":"Post date"} -->
<h5 class="gb-headline gb-headline-007eea6c gb-headline-text">Post date</h5>
<!-- /wp:generateblocks/headline -->
<!-- /wp:generateblocks/container -->

<!-- wp:generateblocks/container {"uniqueId":"81dcf0a8","isDynamic":true,"blockVersion":3,"useInnerContainer":true,"paddingTop":"20","paddingRight":"20","paddingBottom":"20","paddingLeft":"20","paddingSyncUnits":true} -->
<!-- wp:generateblocks/headline {"uniqueId":"9666d99e","blockVersion":2,"element":"p","display":"inline-flex","alignItems":"center","fontWeight":"700","fontSize":15,"marginBottom":"0.8","marginUnit":"em","inlineWidth":true,"hasIcon":true,"iconColor":"var(\u002d\u002daccent-2)","gpDynamicTextType":"post-author","gpDynamicLinkType":"author-archives","gpDynamicTextReplace":"Author name"} -->
<p class="gb-headline gb-headline-9666d99e"><span class="gb-icon"><svg viewBox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M313.6 304c-28.7 0-42.5 16-89.6 16-47.1 0-60.8-16-89.6-16C60.2 304 0 364.2 0 438.4V464c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48v-25.6c0-74.2-60.2-134.4-134.4-134.4zM400 464H48v-25.6c0-47.6 38.8-86.4 86.4-86.4 14.6 0 38.3 16 89.6 16 51.7 0 74.9-16 89.6-16 47.6 0 86.4 38.8 86.4 86.4V464zM224 288c79.5 0 144-64.5 144-144S303.5 0 224 0 80 64.5 80 144s64.5 144 144 144zm0-240c52.9 0 96 43.1 96 96s-43.1 96-96 96-96-43.1-96-96 43.1-96 96-96z"></path></svg></span><span class="gb-headline-text">Author name</span></p>
<!-- /wp:generateblocks/headline -->

<!-- wp:generateblocks/headline {"uniqueId":"ca866c85","blockVersion":2,"element":"p","display":"inline-flex","alignItems":"center","fontWeight":"700","fontSize":15,"marginBottom":"0.8","marginLeft":"1","marginUnit":"em","paddingUnit":"em","inlineWidth":true,"hasIcon":true,"iconColor":"var(\u002d\u002daccent-2)","className":"dynamic-term-class","gpDynamicTextType":"terms","gpDynamicLinkType":"term-archives","gpDynamicTextReplace":"Category","gpDynamicTextTaxonomy":"category"} -->
<p class="gb-headline gb-headline-ca866c85 dynamic-term-class"><span class="gb-icon"><svg xml:space="preserve" style="enable-background:new 0 0 463.552 463.552" viewBox="0 0 463.552 463.552" xmlns="http://www.w3.org/2000/svg"><path d="m445.752 256.346-179.9-180c-9.5-9.5-22.2-14.8-35.6-14.8-1.1 0-2.2 0-3.3.1l-130.1 8.6c-14.1.9-25.5 12.3-26.4 26.4l-3.1 46.2c-6.6-3.8-12.9-8.6-18.6-14.3-13.9-13.9-22.5-31.2-24.3-48.8-1.7-16.7 3.1-31.6 13.5-42 22.1-22.1 62.8-17.2 90.9 10.8 4.7 4.7 12.3 4.7 17 0s4.7-12.3 0-17c-37.6-37.3-93.6-42.1-125-10.7-15.6 15.6-22.8 37.3-20.4 61.4 2.3 23.1 13.4 45.6 31.2 63.4 10 10 21.6 17.9 33.9 23.3l-3.8 57.9c-1 14.5 4.4 28.7 14.7 39l180 180c11.4 11.4 26.5 17.6 42.6 17.6s31.2-6.3 42.6-17.6l104.3-104.3c11.4-11.4 17.6-26.5 17.6-42.6-.1-16.2-6.4-31.3-17.8-42.6zm-16.9 68.1-104.4 104.4c-6.8 6.8-15.9 10.6-25.6 10.6-9.7 0-18.8-3.8-25.6-10.6l-180-180c-5.4-5.4-8.2-12.8-7.7-20.4l3.5-52.4c2 .3 4 .6 6 .8 3 .3 6 .5 8.9.5 20.5 0 38.8-7.2 52.4-20.8 4.7-4.7 4.7-12.3 0-17s-12.3-4.7-17 0c-10.4 10.4-25.3 15.2-42 13.5-2.3-.2-4.5-.6-6.7-1l3.6-53.6c.1-2.2 1.9-3.9 4.1-4.1l130.1-8.6c.6 0 1.2-.1 1.8-.1 7 0 13.8 2.8 18.7 7.7l179.9 179.9c6.8 6.8 10.6 15.9 10.6 25.6 0 9.7-3.8 18.8-10.6 25.6z"></path></svg></span><span class="gb-headline-text">Category</span></p>
<!-- /wp:generateblocks/headline -->

<!-- wp:generateblocks/headline {"uniqueId":"2cc9bb63","blockVersion":2,"element":"h4","fontSize":20,"marginBottom":"16","linkColor":"var(\u002d\u002daccent)","linkColorHover":"var(\u002d\u002dcontrast-2)","gpDynamicTextType":"title","gpDynamicLinkType":"single-post","gpDynamicTextReplace":"Post title"} -->
<h4 class="gb-headline gb-headline-2cc9bb63 gb-headline-text">Post title</h4>
<!-- /wp:generateblocks/headline -->

<!-- wp:generatepress/dynamic-content {"contentType":"post-excerpt","excerptLength":15,"useThemeMoreLink":false} /-->
<!-- /wp:generateblocks/container -->

<!-- wp:generateblocks/container {"uniqueId":"d1465197","isDynamic":true,"blockVersion":3,"useInnerContainer":true,"paddingTop":"20","paddingRight":"20","paddingBottom":"40","paddingLeft":"20"} -->
<!-- wp:generateblocks/button-container {"uniqueId":"5d045c17","isDynamic":true,"blockVersion":2} -->
<!-- wp:generateblocks/button {"uniqueId":"97d300f8","hasUrl":true,"blockVersion":3,"hasButtonContainer":true,"display":"inline-flex","alignItems":"center","justifyContent":"center","fontWeight":"700","alignment":"center","fontSize":16,"paddingTop":"10","paddingRight":"25","paddingBottom":"10","paddingLeft":"25","borderRadiusTopRight":"8","borderRadiusBottomRight":"8","borderRadiusBottomLeft":"8","borderRadiusTopLeft":"8","backgroundColor":"var(\u002d\u002daccent)","backgroundColorHover":"var(\u002d\u002daccent-2)","textColor":"var(\u002d\u002dbase-3)","textColorHover":"","hasIcon":true,"iconLocation":"right","iconPaddingRight":"","iconPaddingLeft":"0.5","gpDynamicLinkType":"single-post"} -->
<a class="gb-button gb-button-97d300f8" href="#"><span class="gb-button-text">Čítať viac</span><span class="gb-icon"><svg aria-hidden="true" role="img" height="1em" width="1em" viewBox="0 0 256 512" xmlns="http://www.w3.org/2000/svg"><path fill="currentColor" d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"></path></svg></span></a>
<!-- /wp:generateblocks/button -->
<!-- /wp:generateblocks/button-container -->
<!-- /wp:generateblocks/container -->
<!-- /wp:generateblocks/container -->

Then switch back to the visual editor, if it looks correct then publish those changes.

GenerateBlocks Pro is the premium version of GenerateBlocks. It has its own license.
It adds a bunch of convenience tools to GenerateBlocks, as well as some advanced features.