Fatal error: Uncaught Error: Call to undefined method phpbb\datetime::getTimestamp() in C:\AppServ\www\phpbb\datetime.php:73 Stack trace: #0 C:\AppServ\www\phpbb\user.php(606): phpbb\datetime->format(Array, false) #1 C:\AppServ\www\phpbb\textformatter\s9e\quote_helper.php(70): phpbb\user->format_date('1556310544') #2 C:\AppServ\www\vendor\s9e\text-formatter\src\Utils.php(61): phpbb\textformatter\s9e\quote_helper->phpbb\textformatter\s9e\{closure}(Array) #3 [internal function]: s9e\TextFormatter\Utils::s9e\TextFormatter\{closure}(Array) #4 C:\AppServ\www\vendor\s9e\text-formatter\src\Utils.php(62): preg_replace_callback('((<QUOTE)(?=[ /...', Object(Closure), '<r><QUOTE autho...') #5 C:\AppServ\www\phpbb\textformatter\s9e\quote_helper.php(78): s9e\TextFormatter\Utils::replaceAttributes('<r><QUOTE autho...', 'QUOTE', Object(Closure)) #6 C:\AppServ\www\phpbb\textformatter\s9e\renderer.php(234): phpbb\textformatter\s9e\quote_helper->inject_metadata('<r><QUOTE autho...') #7 C:\AppServ\www\includes\functions_content.php(600): ph in C:\AppServ\www\phpbb\datetime.php on line 73