When you see this error :

Fatal error: Allowed memory size of 43554432 bytes exhausted (tried to allocate 348617 bytes) in /home/xxxxx/public_html/wp-includes/plugin.php on line xxxx

You need  to Increase PHP Memory Limit in WordPress

you can paste following code in wp-config.php file just before the line that says :

/**
* Authentication Unique Keys and Salts.
*

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notice : memory amount you need depends on the theme you used and can be more …