yourserverbuyer buy() fails with following error

[i-am-xhy]

Could not complete the transaction because an error occurred: Message: Unable to locate element: {"method":"css selector","selector":"input[name='configoption[2]']"} For documentation on this error, please visit: http://seleniumhq.org/exceptions/no_such_element.html Build info: version: '2.53.0', revision: '35ae25b', time: '2016-03-15 17:00:58' System info: host: 'Anukhet', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '4.4.0-22-generic', java.version: '1.8.091' Driver info: driver.version: unknown Screenshot: available via screen Stacktrace: at .FirefoxDriver.prototype.findElementInternal (file:///tmp/anonymous1976430972394322606webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:10770) at .FirefoxDriver.prototype.findElement (file:///tmp/anonymous1976430972394322606webdriver-profile/extensions/fxdriver@googlecode.com/components/driver-component.js:10779) at .DelayedCommand.prototype.executeInternal/h (file:///tmp/anonymous1976430972394322606webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12661) at .DelayedCommand.prototype.executeInternal (file:///tmp/anonymous1976430972394322606webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12666) at .DelayedCommand.prototype.execute/< (file:///tmp/anonymous1976430972394322606webdriver-profile/extensions/fxdriver@googlecode.com/components/command-processor.js:12608) False

[RobvandenBerg]

This was because YourserverBuyer was not finished yet. It is now (check pull request)