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Escape sequence invalid in character class – visual editor problem

By philosofen, 4 years ago. Last reply by Andrew Misplon, 4 years ago
Hello, I recently installed the Siteorigin CSS plugin for wordpress. When I want to use the visual editor it gives me an error at the top: “Warning: preg_replace(): Compilation failed: escape sequence is invalid in charaacter class at offset 4 in /home/xyz/domains/xyz.com/public_html/wp-content/plugins/so-css/so-css.php on line 756” Is this something I need to fix/ worry about? If…

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