[Skip to main content](#vessel-content) # "Add to Cart" fatal error message ## - **[thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile")** - [![thecbekc's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/28561-thecbekc "View thecbekc's Profile") Topic Author - [ Offline](/forum/user/28561-thecbekc) Less More - Posts: 2 - Thank you received: 0 - - 11 years 9 months ago [\#186488](#186488) by [thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile") *["Add to Cart" fatal error message](/forum/27-checkout/874227-add-to-cart-fatal-error-message#186488 "-- url of the page with the problem -- : www.collegebasketballexperience.com/hoop-shop-cbe -- HikaShop version -- : 2.3.5 -- Joomla version -- : 3.3.6 -- PHP version -- : 5.3.29 -- Browser(s) name and version -- : Firefox 34.0.5, Chrome 39.0.2171.95,, IE 11 -- Error-message(debug-mod must be tuned on) -- : Fatal error: Cannot pass parameter 1 by reference in /home/colleg87/public_html/plugins/system/custom_quantity_tax/custom_quantity_tax.php on line 110 When the "Add to Cart" button is pressed a blank white page is generated and nothing else happens. Attempt to go back also generates a white page. Please assist in resolving ASAP. Thanks!")* was created by *[thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile")* -- url of the page with the problem -- : [ www.collegebasketballexperience.com/hoop-shop-cbe](https://www.collegebasketballexperience.com/hoop-shop-cbe) -- HikaShop version -- : 2.3.5 -- Joomla version -- : 3.3.6 -- PHP version -- : 5.3.29 -- Browser(s) name and version -- : Firefox 34.0.5, Chrome 39.0.2171.95,, IE 11 -- Error-message(debug-mod must be tuned on) -- : Fatal error: Cannot pass parameter 1 by reference in /home/colleg87/public_html/plugins/system/custom_quantity_tax/custom_quantity_tax.php on line 110 When the "Add to Cart" button is pressed a blank white page is generated and nothing else happens. Attempt to go back also generates a white page. Please assist in resolving ASAP. Thanks! Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI3LWNoZWNrb3V0Lzg3NDIyNy1hZGQtdG8tY2FydC1mYXRhbC1lcnJvci1tZXNzYWdlP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[Jerome](/forum/user/80-jerome "View Jerome's Profile")** - [![Jerome's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar80.png)](/forum/user/80-jerome "View Jerome's Profile") - [ Offline](/forum/user/80-jerome) - HikaShop core developer Less More - Posts: 26394 - Thank you received: 4078 - - [](http://obsi.dev) - 11 years 9 months ago [\#186492](#186492) by [Jerome](/forum/user/80-jerome "View Jerome's Profile") Replied by *[Jerome](/forum/user/80-jerome "View Jerome's Profile")* on topic *["Add to Cart" fatal error message](/forum/27-checkout/874227-add-to-cart-fatal-error-message#186492 "-- url of the page with the problem -- : www.collegebasketballexperience.com/hoop-shop-cbe -- HikaShop version -- : 2.3.5 -- Joomla version -- : 3.3.6 -- PHP version -- : 5.3.29 -- Browser(s) name and version -- : Firefox 34.0.5, Chrome 39.0.2171.95,, IE 11 -- Error-message(debug-mod must be tuned on) -- : Fatal error: Cannot pass parameter 1 by reference in /home/colleg87/public_html/plugins/system/custom_quantity_tax/custom_quantity_tax.php on line 110 When the "Add to Cart" button is pressed a blank white page is generated and nothing else happens. Attempt to go back also generates a white page. Please assist in resolving ASAP. Thanks!")* Hi, I was writing you an answer of your email in order to get more details about your website URL and the error (regarding the PHP error log). By chance I saw your post here and I have now the required information. There is no need to send us a lot of email about your issue ; we are answer as fast as we can and we are replying first to older message. Please see the Nicolas answer in this thread : [ www.hikashop.com/forum/install-update/87...not-work.html#185737](http://www.hikashop.com/forum/install-update/874095-after-updating-to-2-3-5-the-checkout-page-not-work.html#185737) Regards, --- Jerome - Obsidev.com HikaMarket & HikaSerial developer / HikaShop core dev team. The following user(s) said Thank You: [thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile") Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI3LWNoZWNrb3V0Lzg3NDIyNy1hZGQtdG8tY2FydC1mYXRhbC1lcnJvci1tZXNzYWdlP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile")** - [![thecbekc's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/28561-thecbekc "View thecbekc's Profile") Topic Author - [ Offline](/forum/user/28561-thecbekc) Less More - Posts: 2 - Thank you received: 0 - - 11 years 9 months ago [\#186494](#186494) by [thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile") Replied by *[thecbekc](/forum/user/28561-thecbekc "View thecbekc's Profile")* on topic *["Add to Cart" fatal error message](/forum/27-checkout/874227-add-to-cart-fatal-error-message#186494 "-- url of the page with the problem -- : www.collegebasketballexperience.com/hoop-shop-cbe -- HikaShop version -- : 2.3.5 -- Joomla version -- : 3.3.6 -- PHP version -- : 5.3.29 -- Browser(s) name and version -- : Firefox 34.0.5, Chrome 39.0.2171.95,, IE 11 -- Error-message(debug-mod must be tuned on) -- : Fatal error: Cannot pass parameter 1 by reference in /home/colleg87/public_html/plugins/system/custom_quantity_tax/custom_quantity_tax.php on line 110 When the "Add to Cart" button is pressed a blank white page is generated and nothing else happens. Attempt to go back also generates a white page. Please assist in resolving ASAP. Thanks!")* Problem corrected per info in thread link. Thank you. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzI3LWNoZWNrb3V0Lzg3NDIyNy1hZGQtdG8tY2FydC1mYXRhbC1lcnJvci1tZXNzYWdlP3RtcGw9bWFya2Rvd24=) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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