Surface
Chilling in Cheshire.
I think he did, I wish the actual video was still around, it's so funny
It's at about 2:43 here
He definitely did make it up and here's a bit about why he was so pissed off.
“All we had to do was bung this little cassette into the sequencer. We got there with 15 minutes to spare, popped this little data cassette into the sequencer, pressed load and this thing just went: ERROR. Don’t worry, we’ve got a backup, we’ll stick that in… ERROR. ‘f***ing hell, what are we going to do?!?’” Morris remembers. “Having spent all day working on this thing, Bernard was very displeased, so the entire performance became enthused with this angst, which I think is great. Bernard is absolutely furious and it's all live on television. They nearly pulled the plug on us because he kept swearing and it was live on TV.