> Resolving my issue with embedded fields in Prestashop 1.6 – Help Center Scellius

The Debug bar in the embedded payment field, which also contains test card numbers, may sometimes not appear at the time of a test payment.

It is also possible that the payment does not work with the embedded payment fields, displaying an error message of the following type: A technical error occurred.

If you use Prestashop 1.6, check the following configuration:

Sign into your PrestaShop Back Office.

Go to Advanced parameters > Performance.

Go to CCC (Combine, Compress and Cache).

Make sure that Move JavaScript to the end is set to NO.

IMPORTANT: Embedded payment fields are not compatible with the functionality Move JavaScript to the end set to YES. If Move JavaScript to the end is set to YES, you must either:

Change configuration to NO.
Change the Card data entry mode parameter with one of the following settings:
- Bank data acquisition on the payment gateway
- Card type selection on the merchant website
- Payment page integrated into the checkout flow (iframe mode)

In order to change the Card data entry mode:

Sign into your PrestaShop Back Office.

Go to Modules and services > Modules and Services.

Search for the Scellius module.

Click the Configure button.

Open the Standard payment section.

In the Advanced options section, change the parameter Card data entry mode.