Hi Ivy.team, I have a concern when trying to attach a param names "lang" to an URL. Ex: `http://localhost:8081/ivy/pro/designer/abc/15A6EF8EF2C5F61B/start.ivp?lang=EN` And it returns null when extract by using `ivy.request.getFirstParameter("lang")`. Then, I change it to `"language"` as below. `http://localhost:8081/ivy/pro/designer/abc/15A6EF8EF2C5F61B/start.ivp?language=EN` Now it returns value `EN` with `ivy.request.getFirstParameter("language")` as I expect. Is `lang` a keywork or something which couldn't use for url param? Asked by @thienqh

Hi Ivy.team, I have a concern when trying to attach a param names "lang" to an URL. Ex: `http://localhost:8081/ivy/pro/designer/abc/15A6EF8EF2C5F61B/start.ivp?lang=EN` And it returns null when extract by using `ivy.request.getFirstParameter("lang")`. Then, I change it to `"language"` as below. `http://localhost:8081/ivy/pro/designer/abc/15A6EF8EF2C5F61B/start.ivp?language=EN` Now it returns value `EN` with `ivy.request.getFirstParameter("language")` as I expect. Is `lang` a keywork or something which couldn't use for url param? Asked by @thienqh