how to fix CACHE_DRIVER error

[CTGO.co]

warning: AbanteCart core v.1.2.13 Use of undefined constant CACHE_DRIVER - assumed 'CACHE_DRIVER' (this will throw an Error in a future version of PHP) in <b>/core/helper/system_check.php</b> on line <b>116</b>

[Basara]

What is your PHP version?

[CTGO.co]

What is your PHP version?

as i see on hosting control panel: PHP version: 7.2.7 this is the recently version. is that ok or not ??

[CTGO.co]

What is your PHP version?

is that ok ??

[abantecart]

PHP version is OK.

Check your AbanteCart configuration file, if it has CACHE_DRIVER defined.
system/config.php

If you do not have CACHE_DRIVER defined, you need to add it with the cache driver that you are using.

[CTGO.co]

PHP version is OK.

Check your AbanteCart configuration file, if it has CACHE_DRIVER defined.
system/config.php

If you do not have CACHE_DRIVER defined, you need to add it with the cache driver that you are using.

thank you for your reply, can you tell me please, what to do exactly and what i have to add ??