Showmax chatline useless.

It appears that Showmax implemented some changes recently. Suddenly we are back to an error we had some years ago. I use Ubuntu operating system, mostly using Firefox browser. Both are kept up to date. Used Showmax last about 2 weeks ago, no issues. Tonight I am getting lic1033 error, which tells me to update my OS or browser. Online chat gives no response (waited 15 minutes). Do not have these problems on Dstv Now.