"We've hit a snag" error when viewing certain pages with tables using dark mode

Issue Summary

"We've hit a snag" error when viewing certain pages using dark mode

Steps to Reproduce

1. Create a page with the following elements

   <table data-table-width="760" data-layout="default" ac:local-id="920caaca-8ed2-40f2-8a13-0430b0908e92"><colgroup><col style="width: 121.0px;" /></colgroup>
   <tbody>
   <tr>
   <td data-highlight-colour="rgba(var(--backgroundColorSchemeBase-rgb),0.8)">
   <p /></td></tr></tbody></table>
   <p />
   

2. Confirm that the page loads using light theme
3. Switch the account to dark mode

Expected Results

The table loads

Actual Results

A "We've hit a snag" error appears

Workaround

There are several confirmed workarounds.

• Switch the account to light theme using the following steps
  1. Select the avatar
  2. Click Theme > Light
• apply the cell color again where it's having the rbga setting. Having the cell color set in hexadecimals like below

  <td data-highlight-colour="#ffffff">