' Error Vertex File ... '

[СОРИ ЕСЛИ ТРАХНУЛ]

I'm having a problem loading character skins in game. They appear as invisible even though their names are clearly visible above what should be their character. I open the console and it says " error vertex file for 'player/phoenix.mdl ' id 0 should be 1448297545 " [here's a screenshot: http://i.imgur.com/R6thMwj.png ] The only character models being used on this particular map [a ttt server] was the phoenix skin. The error changes with each of the skins in all game types as well.

I just got both gmod and css and haven't messed with or moved around any files so I don't exactly know what's wrong. I've already re-installed both gmod and css. Any help would be greatly appreciated.

[Deádáss]

I am having the same issue. Mine says "Error Vertex File for 'Humans\Group02\Male_04.mdl' checksum 775807768 should be -175400218"

[xiao]

everytime I join my friends darkrp server it says in the game console Error Vertex File for 'props_c17/door01_left.mdl' checksum 145318345 should be 972034250
Error Vertex File for 'props_c17/door01_left.mdl' checksum 145318345 should be 972034250

[PenPen]

Error Vertex File for 'props_c17//door01_left.mdl ' checksum 972034250 should be 1322821420 what is this?

[Blankrobot621]

Error Vertex File for 'Zombie/Classic.mdl' checksum -124373772 should be 2094156921 (x1610)
Erm what the sigma