If you encounter problems with payment via PayPal Plus in a Gambio online shop and the PayPal error logs contain the message USER NOTICE: "ERROR performing request: unsupported response type application/json;charset=UTF-8", this may be due to an outdated shop version / PayPal plugin version. First, we locate the file that generates the error mentioned above and then try to make the online shop compatible with PayPal again by modifying the problematic section.

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If you receive the message "Breadcrumb issues detected on page xy" and Google Search Console subsequently explains the error with "data-vocabulary.org schema deprecated" (in this case: Breadcrumbs), you should make adjustments to the template files in order to implement the structured data using the currently valid markup. Our example here refers to breadcrumbs, which are intended to represent the navigation path using structured data / Rich Snippets.

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Our web agency was commissioned to create a feed for Google Shopping from the Gambio online shop system, or rather to correct the generation of the Shopping feed from Gambio, as there were several errors. For example, the shipping weight was not exported correctly. The shipping weight from the online shop was exported with a period (".") as the decimal separator. However, this needs to be a comma (","), so we have to change the export instruction in the "Shipping weight" column from

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If the error message "PayPal is temporarily unavailable" appears in Gambio GX3 when attempting to pay with PayPal, and the logs contain the message "Error creating payment resource for ECM payment: ERROR creating payment: INVALID_EXPERIENCE_PROFILE_ID The requested experience profile ID was not found", this is due to incorrect backend settings in the PayPal PLUS module. The "Display on the PayPal payment page (PayPal parameters)" setting should be checked or adjusted under the expert settings.

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If you get the error message "check_data_type validation failed. Dump: , string expected, but NULL detected" for non-existent content pages (e.g. /info/versandtd.html) in Gambio GX3 (3.1.x-3.2.x), this is caused by an incorrect interaction between the ShopContentContentControl class and the BaseClass class:

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If you receive the following error when attempting to rebuild the cache for the item properties (and thus refresh the "products_properties_index" table):

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If the logo is no longer displayed after a Gambio update, this may be due to a change in the variable declaration. This is defined in the file \templates\YOUR_TEMPLATE\source\boxes\gm_logo.php. In older templates, this is done using the variable $gm_logo.

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The task: In Gambio, a homepage was to be redesigned so that the bestseller display would be replaced by three sliders. The first slider uses the entire available width of the page content. This is followed by two additional sliders, each taking up 50% of the available width and arranged side by side.

The Slick Slider project from http://kenwheeler.github.io/slick/ serves as the basis for this.   Including the JavaScript and CSS files from there makes it possible to display the child elements of an HTML element as a highly configurable slider.

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How can you display values from an item's filter selection in the product list / category overview? For example, if a product is available in certain sizes (e.g. XS, S, M, and L), you can already inform a customer looking for size XXL in the product overview (without requiring them to activate the corresponding filter first), saving the user unnecessary clicks on products that are not available in the desired size. The same applies to available colors: If you want to supplement the filtering options (e.g. yellow, red, green, blue, white, black, gray) and display more specific colors directly in the Gambio product overview (e.g. sky blue, azure blue, turquoise, or cobalt blue), you can use the filter assignments.

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When a customer of a Gambio shop redeems a voucher by entering the voucher code in the shopping cart, the voucher is processed, but it is not deducted from the total displayed in the shopping cart. From a user experience and conversion rate perspective, it is better to display the applied discount directly. Here is a suggested solution for Gambio GX2:

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How do you implement Google Analytics conversion tracking in Gambio to record purchases? Basically, it is quite simple:

Step 1) We assemble the data for Google Analytics and then write it to the output buffer using a class extension. We implement this class extension using an overload in the folder

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