KB273065: The error "There is an error on the server. Request timeout" shows when adding external data through Query Builder in MicroStrategy Web 10.x
![visual studio 2015 - Unable to start debugging on the web server. The operation has timed out - Stack Overflow visual studio 2015 - Unable to start debugging on the web server. The operation has timed out - Stack Overflow](https://i.stack.imgur.com/7uAqj.png)
visual studio 2015 - Unable to start debugging on the web server. The operation has timed out - Stack Overflow
![Novell Doc: Novell Access Manager 3.0 SP4 Administration Guide - Configuring Connection and Session Limits Novell Doc: Novell Access Manager 3.0 SP4 Administration Guide - Configuring Connection and Session Limits](http://www.novell.com/documentation/novellaccessmanager/adminguide/graphics/ag_tcplistenopts_a.png)
Novell Doc: Novell Access Manager 3.0 SP4 Administration Guide - Configuring Connection and Session Limits
![Configuring a Timeout for Connections Between WAF and a Website Server_Web Application Firewall_User Guide_Website Settings_Advanced Settings_Huawei Cloud Configuring a Timeout for Connections Between WAF and a Website Server_Web Application Firewall_User Guide_Website Settings_Advanced Settings_Huawei Cloud](https://support.huaweicloud.com/intl/en-us/usermanual-waf/en-us_image_0000001519222274.png)