I get "Indent Size is too large" when formatting paragraph style for TOC

I am trying to format the TOC 1, TOC 2, TOC 3, and TOC 4 styles in my template for table of contents.
Starting from the bottom up, TOC 4 formats fine for me.
When I get to TOC 3 however, once I finish formatting the font, add it to the template and what not, the little leading ...'s disappear.  So I go to Format > Style > Modify > Format > Tabs.  Now it won't let me change the tab stop position at all.  I try to enter a tab stop position number,  but it won't accept ANY number that I type and there is NOTHING to select in the box below.  WHAT THE @#$&*(@!.

This is driving me C R A Z Y and wasting my time.

Also, when I go to Format > Style > Modify > Format > Paragraph, and try to add 6pt spacing Before, I get the message, "Indent size is too large."  It will not accept anything more than a "0.01" indent size.  TOC 3 & TOC 4 need to be indented further than 0.02.

I need an answer as soon as possible before I throw my computer out the window!!!!!

P L E A S E   H E L P ! ! ! ! ! ! ! ! !