Problem sur css

Bonjour,je suis un mappeur debutent et j'en suis deja a ma 4e map mais je suis pas capable de la tester.
dans mes donner quand je (start) la map j'ai trouver un endroit qui est ecrie

error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
error: material LIQUIDS/MILITIAWATER_DX70_BENEATH doesn't have a $bottommaterial
done (0)
FixTjuncs...
PruneNodes...
WriteBSP...
done (0)

ps:dans ma map j'ai un endroit ou il y a aumoin 10000 armes sur une longue plate forme seresse a cause de ça???
il y a aussi une petite icone qui dit ED_ALLOE:no free edicts

merci d'Avance pour votre soutien et vos reponse