An error occurred in the ‘keywordDensity’ assessment

Hi guys,

I’m having a problem with Yoast SEO plugin analysis.

I did a few research on Internet, but there are many different root cause with this errors.

Here is console log in admin site:

analysis-1420.js:21 SyntaxError: Invalid regular expression: /(^|[ \u00a0 \n\r\t.,()”“〝〞???"+\-;!???:/????<>'‘’?])C++11($|([ \u00a0 \n\r\t.,()”“〝〞???”+\-;!???:/????<>])|(([‘‘’?`])([ \u00a0 \n\r\t.,()”“〝〞???”+\-;!???:/????<>])))/: Nothing to repeat
at new RegExp (<anonymous>)
at c (analysis-1420.js:21)
at e.default (analysis-1420.js:21)
at e.default (analysis-1420.js:21)
at analysis-1420.js:10
at Array.forEach (<anonymous>)
at e.default (analysis-1420.js:10)
at analysis-1420.js:21
at Array.forEach (<anonymous>)
at e.markWordsInSentences (analysis-1420.js:21)
n @ analysis-1420.js:21
`
It will be nice if you guys can help to resolve it.
Looking forward you respond1
Thanks!
Bong