help with reactor cloth!

[jimbo]

I´m getting this error message every time I push the preview button that says: WORLD : default_world
SUBSPACE : default_subspace
there are interpenetrations :
Bodies loft02 and line10 are interpenetrating

why do I get this message? can anyone explain that to me?
Please help me!! How can I fix this problem?

[Emperor]

The objects are wither intersecting or there isn't enough space between them. Increase the space and try again.

[pheonex]

or rather tahn increasing the space, some where in the "simulation" panel <--( i think its here im prolly wrong though)
in the reactor utility panel, there is some property i think its called, fuk i cant remember, but it changes the level of detail of the calculations, note it will mean more processing though.

apologies for the vagueness, havent used reactor for ages