Explanation:

- Option 1: "come onto the"

- The phrase "come onto the" is grammatically correct. In the context of trends, "come onto the scene" is a common expression meaning to appear or emerge.

- Option 2: "New fashion trends"

- This part is also correct. It introduces the subject of the sentence, which is "new fashion trends."

- Option 3: "scene periodically"

- The phrase "scene periodically" fits correctly. It indicates the occasional emergence of new trends.

- Option 4: "No error"

- ? Correct Answer: There are no grammatical errors in the sentence. Each part is phrased correctly and makes sense within the context.