Information – Common errors

The module checks configuration and environment in the Information tab.

If a message is not listed here: Support CDiscount.

PHP warnings

Time / memory

PHP value: max_execution_time recommended value is at least 120. your limit is currently set to 60

PHP value: memory_limit recommended value is at least 256MB. your limit is currently set to 120MB

See: PHP configuration limitations (Frequent issues — your new EN article).

Other PHP limits

Your PHP configuration limits the maximum number of fields to post in a form : … for max_input_vars. Please ask your hosting provider to increase this limit.

If Suhosin is enabled, also raise suhosin.request.max_vars / suhosin.post.max_vars (same PHP article).

AJAX issues

AJAX execution failed. Please first verify your module configuration. If the problem persists please send a screenshot of this page to the support.

See: Error: AJAX script execution failed.

Common causes:

1. Back-office URL differs from the PrestaShop domain (e.g. mystore.com vs www.mystore.com) — use exactly the same URL
2. Host rules / permissions — see also Permission issues, write access

Other frequent Information alerts

You have to set write permissions to the …/modules/cdiscount/export directory and its subsequents files

You didn't checked yet any category, in category tab

Be carefull, your shop is in maintenance mode, the module might not work in that mode

Your are currently connected with the following domain name: … This one is different from the main shop domain name set in "Preferences > SEO & URLs": …

Updated on: 12/10/2026