core

commit 6cc038df
Author: Md. Alim Ul Karim <alim.karim@evatix.com>
Date:   Thu Aug 19 17:14:30 2021 +0600

    Update consts.go

commit fe6ebc7b
Author: Md. Alim Ul Karim <alim.karim@evatix.com>
Date:   Thu Aug 19 17:13:31 2021 +0600

    Update consts.go

commit 032460e2
Author: Md. Alim Ul Karim <alim.karim@evatix.com>
Date:   Thu Aug 19 16:56:56 2021 +0600

    feature/errconsts

    feature/errconsts