Fatal error: Call to undefined function og_get_group() in E:\Dev sites\og\sites\all\modules\spaces\spaces_og\plugins\space_og.in

Fatal error: Call to undefined function og_get_group() in E:\Dev sites\og\sites\all\modules\spaces\spaces_og\plugins\space_og.inc on line 15

og version is 7.x-2.0

space_og error