At every step of working on a cart page I get an error saying that the eCart is not part of the page.
I've deleted the .dat file, recreated the site cache and removed EVERY behaviour from the page except the eCart because it throws the error.
I manually removed the eCart code and successfully a recordset to the page. THen I manually copied the eCart code back into the page but it has a ! on it and I'm right back where I started. I cannot add or edit any behavior on the page because eCart is throwing an error.
This has happened to me before on eCart4 as well. I am now using eCart5.