Today i got several error log, what should i do to fix this? Thanks.


App Error: AbanteCart core v.1.2.4 Following files do not have write permissions. AbanteCart will not function properly.
/home/xxx/public_html/system/cache/product/product.rating.83.1447834332
/home/xxx/public_html/system/cache/product/product.special.72.1.1447834332
/home/xxx/public_html/system/cache/product/product.options.72.1_0.1447834332
/home/xxx/public_html/system/cache/product/product.rating.52.1447834332
/home/xxx/public_html/system/cache/product/product.options.52.1_0.1447834332
/home/xxx/public_html/system/cache/product/product.discount.52.1.1447834332
/home/xxx/public_html/system/cache/product/product.discount.72.1.1447834332
/home/xxx/public_html/system/cache/product/product.special.52.1.1447834332
in /home/xxx/public_html/core/helper/system_check.php on line 47

warning: AbanteCart core v.1.2.4 filemtime(): stat failed for /home/xxx/public_html/system/cache/product/product.options.85.1_0.1447834331 in <b>/home/xxx/public_html/core/lib/cache.php</b> on line <b>78</b>

warning: AbanteCart core v.1.2.4 preg_grep(): Compilation failed: nothing to repeat at offset 0 in <b>/home/xxx/public_html/core/engine/language.php</b> on line <b>283</b>