Warning: Uncaught Exception: Warning: require_once(lib/internal/TCPDF/TCPDF.php): failed to open stream: No such file or directory in /home/cre8ables/public_html/app/code/Designnbuy/Base/Helper/Output.php on line 15 in /home/cre8ables/public_html/vendor/magento/framework/App/ErrorHandler.php:61 Stack trace: #0 /home/cre8ables/public_html/app/code/Designnbuy/Base/Helper/Output.php(15): Magento\Framework\App\ErrorHandler->handler(2, 'require_once(li...', '/home/cre8ables...', 15, Array) #1 /home/cre8ables/public_html/app/code/Designnbuy/Base/Helper/Output.php(15): require_once() #2 /home/cre8ables/public_html/vendor/composer/ClassLoader.php(444): include('/home/cre8ables...') #3 /home/cre8ables/public_html/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/home/cre8ables...') #4 [internal function]: Composer\Autoload\ClassLoader->loadClass('Designnbuy\\Base...') #5 [internal function]: spl_autoload_call('Designnbuy\\Base...') #6 /home/cre8ables/public_html/vendor/magento/framework/Code/Reader/ClassRea in /home/cre8ables/public_html/vendor/magento/framework/App/ErrorHandler.php on line 61

Fatal error: main(): Failed opening required 'lib/internal/TCPDF/TCPDF.php' (include_path='/home/cre8ables/public_html/generated/code:/home/cre8ables/public_html/generated/code:/home/cre8ables/public_html/vendor/magento/zendframework1/library:.:/opt/cpanel/ea-php74/root/usr/share/pear') in /home/cre8ables/public_html/app/code/Designnbuy/Base/Helper/Output.php on line 15