Spot The Error (Hard Version)

...
ok 18 - got password from third object
ok 19 - got driver from environment data
ok 20 - How much more black could this be?
ok 21 - The answer is none, none more black
ok 22 - most amplifiers go up to ten
ok 23 - this one goes up to eleven
ok 24 - well, it's one louder
ok 25 - if you keep folding it
not ok 26 - then it keeps breaking
ok 27 - got replacement mandolin strings
ok 28 - found lost luggage
ok 29 - No sex and drugs for Ian
ok 30 - Yes I can
ok 31 - If Frank Sinatra says it's OK.
...
Thus Spake Andy:

When I gave this talk, I flashed this screen up really quickly to simulate what it's like when a hundred test results go whizzing past.