Answer:
It contains a comma splice.
Step-by-step explanation:
Both comma splice and fused sentence are writing errors that occur when we try to join two independent clauses ( it has a subject and a verb and presents a complete thought)
Fused sentence occurs when we join two independent clauses without any punctuation ( I love books my favorite book is The Catcher in the Rye ).
Comma splice occurs when we join two independent clauses with a comma, like in the given sentence. To fix this error, we can: put a semicolon (No one likes a bully; He has no friends. ) or a period between these two sentences (No one likes a bully. He has no friends. ) or add a conjunction (No one likes a bully so he has no friends.)