compilation - Unable to compile bootstrap 2 -

compilation - Unable to compile bootstrap 2 -

i trying compile bootstrap 2 (i obliged utilize version because included in framework use), , have problem when compiling less files:

command failed: nameerror: #grid > .core > .span undefined in bootstrap/less/navbar.less on line 199, column 3: 198 .navbar-fixed-bottom .container { 199 #grid > .core > .span(@gridcolumns); 200 }

however, if comment line, compilation works, website's layout mess afterwardss. have tried solution described at

less v2 not compile twitter's bootstrap 2.x

but, layout still broken. thought how solve this? give thanks you!

twitter-bootstrap compilation