WARNING(2): "mysqli_connect(): Headers and client library minor version mismatch. Headers:100613 Library:100236"

WARNING(2): "session_start(): Cannot send session cookie - headers already sent by (output started at /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/gm/classes/ErrorHandler.php:391)"

WARNING(2): "session_start(): Cannot send session cache limiter - headers already sent (output started at /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/gm/classes/ErrorHandler.php:391)"

WARNING(2): "mysqli::real_connect(): Headers and client library minor version mismatch. Headers:100613 Library:100236"

WARNING(2): "Cannot modify header information - headers already sent by (output started at /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/gm/classes/ErrorHandler.php:391)"

WARNING(2): "Cannot modify header information - headers already sent by (output started at /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/gm/classes/ErrorHandler.php:391)"

FATAL ERROR(1): "Uncaught exception 'UnexpectedValueException' with message 'The requested product was not found in database (ID: 141)' in /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/GXMainComponents/Services/Core/Product/Repositories/Reader/ProductRepositoryReader.inc.php:85
Stack trace:
#0 /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/GXMainComponents/Services/Core/Product/Repositories/ProductRepository.inc.php(152): ProductRepositoryReader->getById(Object(IdType))
#1 /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/GXMainComponents/Services/Core/Product/ProductReadService.inc.php(77): ProductRepository->getProductById(Object(IdType))
#2 /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/templates/Honeygrid/smarty/function.seo_tags.php(79): ProductReadService->getProductById(Object(IdType))
#3 /var/www/vhosts/halilnamazci.www43.hostkraft.de/httpdocs/wp/shop/templates_c/8e232e8a91c518874c0707a21b02680c70997454.file.head.html.php(58): smarty_function_seo_ta"