TypeError: Cannot read property 'hasTable' of undefined

[ursrudra]

Hi Anyone please help on the below error
\node_modules\connect-session-knex\index.js:208
self.ready = self.knex.schema.hasTable(self.tablename)
^

TypeError: Cannot read property 'hasTable' of undefined
at new KnexStore (D:\WebPro\Dev\stormy-sea-60405\node_modules\connect-session-knex\index.js:208:33)
at Object. (D:\WebPro\Dev\stormy-sea-60405\script.js:20:10)
at Module._compile (module.js:635:30)
at Object.Module._extensions..js (module.js:646:10)
at Module.load (module.js:554:32)
at tryModuleLoad (module.js:497:12)
at Function.Module._load (module.js:489:3)
at Function.Module.runMain (module.js:676:10)
at startup (bootstrap_node.js:187:16)
at bootstrap_node.js:608:3

when i am trying to use connect-session-knex to added sessions to my app, i am getting the above error actually it is throwing error from connect-session-knex module