Hello Guys,
After browsing Prestoshop site getting an error as below.
QuoteWarning: preg_replace(): Compilation failed: invalid range in character class at offset 24 in /home/username/public_html/classes/Tools.php on line 1150
This warnin is most likely done by a PHP bug or a PHP compilation without proper UTF-8 support.
Solution ::Login to your Prestashop admin panel and disallow accented characters from backend -> preferences -> seo & url's.
You can see that solved the error message issue!
Enjoy !!