Dear supporter After installed membership premium 3.5.2.9

Dear supporter

After installed membership premium 3.5.2.9 with my localsite, i got error.

Warning: preg_split(): Unknown modifier 'p' in C:\xampp\htdocs\wp\wp-includes\formatting.php on line 240

Warning: Invalid argument supplied for foreach() in C:\xampp\htdocs\wp\wp-includes\formatting.php on line 242

Warning: implode(): Invalid arguments passed in C:\xampp\htdocs\wp\wp-includes\formatting.php on line 292
Version

If i disable warning, all menu text on dashboard admin disappear.

Please help me.

Regards