How to solve Woocommerce Memory Limit

You could also try toying with the max memory limit. I think it’s far more likely you are on an EIG host and throttled to a 64mb limit.

Oh one more thing, it’s

define( 'WP_MEMORY_LIMIT', '128M' );

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)