Today tuoitreit.vn will give you a lead how to fix this error
Fatal error: Declaration of KL\EditorManager\XF\Str\Formatter::replaceSmiliesHtml($text) must be compatible with XF\Str\Formatter::replaceSmiliesHtml(string $text, string $format = 'default'): string in C:\xampp\htdocs\src\addons\KL\EditorManager\XF\Str\Formatter.php on line 51
To fix, please goto src/addons/KL/EditorManager/XF/Str/Formatter.php and replace all with
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![53756122537_966a4d7512_o.png](/proxy.php?image=https%3A%2F%2Ffarm66.staticflickr.com%2F65535%2F53756122537_966a4d7512_o.png&hash=6e6791fbcaf0a96ce3522539b37b9148)
Fatal error: Declaration of KL\EditorManager\XF\Str\Formatter::replaceSmiliesHtml($text) must be compatible with XF\Str\Formatter::replaceSmiliesHtml(string $text, string $format = 'default'): string in C:\xampp\htdocs\src\addons\KL\EditorManager\XF\Str\Formatter.php on line 51
![53757359569_49af709464_o.png](/proxy.php?image=https%3A%2F%2Ffarm66.staticflickr.com%2F65535%2F53757359569_49af709464_o.png&hash=c8e7221180c0db68b4c3ef5845818fbf)
To fix, please goto src/addons/KL/EditorManager/XF/Str/Formatter.php and replace all with
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