Wondering what is causing these errors, can I ignore them?

Notice: Undefined index: module in FieldInfo->prepareInstanceWidget() (line 591 of /home/vincoixt/public_html/xuzo.com/modules/field/field.info.class.inc). Notice: Undefined index: module in FieldInfo->prepareInstanceDisplay() (line 628 of /home/vincoixt/public_html/xuzo.com/modules/field/field.info.class.inc). Notice: Undefined index: module in FieldInfo->prepareInstanceWidget() (line 591 of /home/vincoixt/public_html/xuzo.com/modules/field/field.info.class.inc). Notice: Undefined index: module in FieldInfo->prepareInstanceDisplay() (line 628 of /home/vincoixt/public_html/xuzo.com/modules/field/field.info.class.inc). Notice: Undefined index: module in[…]

Can't get Drupal 8 and Omega 5 regions to resize via GUI…attaching LINK to simplytest, please check it out

I can’t get Drupal 8 and Omega 5 to work…. I have installed a version at: https://d1m10.ply.st/admin/appearance/settings/omega_simple_starterkit USERNAME: 1 Password: &()*U)Aol^(&9uh09os I’ve cleared cache, disabled and enabled many settings, I’m trying to resize sidebar first sidebar second content Trying to vary their width but to[…]

Enabling or disabling any module wipes out Ubbercart product page and more…

After trying to disable and enable any module Ubbercart page products page disappears. This page stops dissplaying: http://satearn.com/catalog And the menu item disappears also… Additionally, on this URL (http://www.satearn.com/free-sample) this error shows up: s Notice: Undefined index: default_value in webform_matrix_component_form_alter() (line 253 of /home/vincoixt/public_html/satearn.com/sites/all/modules/webform_matrix_component/webform_matrix_component.module). Notice:[…]