When I was studying for my CELPIP exam I got material from them. Unfortunately, I can not put the PDF to the public because it has a watermark with my personal email. But I can put you here what it says.
CELPIP's twentieth-fourth error as they state:
A common error that occurs both in the CELPIP Writing and Speaking Tests is the tendency to for some test-takers to clutter their responses with irrelevant and repetitious words and phrases. The use of redundancies can create a barrier to communication and cause the test-taker to lose marks.
There are three types of redundancies that commonly affect CELPIP test-takers. First, there are redundant phrases such as twelve midnight or won a victory. The second type occurs when a word is used repeatedly in a sentence when a synonym could .easily be substituted. For example, "As a supervisor in this company, you supervise your staff members" Here, the word manage would be a better choice in the second phrase. Finally, the repeating of nouns in multiple simple sentences when sentence combinations and pronouns could be used.
The use of intensifiers that are vague and meaningless