PrestaShop: Troubleshooting

Troubleshoot common issues

Follow the steps in Troubleshoot common issuesarticle to ensure proper connection between Mollie and your PrestaShop instance and then the steps below for PrestaShop-specific settings.

Troubleshooting checklist

Enable debugging and get the log files

PrestaShop keeps a log of all Mollie-related activity that takes place. You can use the log to investigate the root cause of a problem.

1. Log in to PrestaShop.
2. In the left navigation menu, select Mollie > Settings.
3. Select the Advanced settings tab.
4. Scroll down to Debug level.
5. Switch on the Display errors toggle.
6. Select Save.

Get the log files

To get the PrestaShop log file(s), follow these steps:

1. Log in to PrestaShop.
2. Go to Advanced parameters > Logs.

Diagnose issues

Check the release notes

Refer to Mollie for PrestaShop releases to check whether the issue was fixed in a newer version of Mollie for PrestaShop.

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Important

Before updating Mollie for PrestaShop, review Mollie for PrestaShop releases to ensure compatibility with your version of PrestaShop or third-party modules.

Solve common problems

Enable Apple Pay in a one-page checkout

If you use a custom one-page checkout module together with Mollie for PrestaShop, Apple Pay might not work on the checkout page.

To work around this problem, follow these steps:

1. In your PrestaShop instance, go to PrestaShop/modules/Mollie/mollie.php.
2. In the mollie.php file, add a custom instanceOf check for your module to the hookActionFrontControllerSetMedia function.

Reactivate the module

In some cases, it helps to deactivate and reactivate the module. This resets the module without losing your configuration settings.

1. Log in to PrestaShop.
2. Select Modules > Module Manager in the left navigation menu.
3. Use the search bar or scroll down to Payment to locate PrestaShop.
4. Select the arrow next to Configure.
5. Select Reset from the drop-down menu.

Reinstall the module

In some cases, the best option is to uninstall and reinstall the module.

1. Log in to PrestaShop.
2. Select Modules > Module Manager in the left navigation menu.
3. Use the search bar or scroll down to Payment to locate PrestaShop.
4. Select the arrow next to Configure.
5. Select UninstalS from the drop-down menu.
6. Install the module.

Clear the cache

Mollie for PrestaShop stores data exchanged between Mollie and PrestaShop in a cache. Problems related to information loading can occur when the cache gets too full.

1. Log in to PrestaShop.
2. In the left navigation menu, select Advanced parameters > Performance.
3. Select Clear cache.