This actually wasn't the problem. Revert "remove spree-core because it causes cart to blow up https://github.com/spree/spree/issues/4024"
This actually wasn't the problem.
Revert "remove spree-core because it causes cart to blow up https://github.com/spree/spree/issues/4024"

This reverts commit 7e71c70b9508926b7f3e66499be3c087887d0ef8.

gdsn13/spree_pages,gdsn13/spree_pages,sebastyuiop/spree_pages