Identify the error in the sentence: The defendant received a second trial after his original conviction was reversed on appeal.

The sentence "The defendant received a second trial after his original conviction was reversed on appeal" is grammatically correct and conveys a complete thought. It has a clear subject "The defendant," which is paired with the appropriate verb "received," ensuring there is no subject/verb agreement issue. The structure of the sentence does not exhibit any fragments or run-ons, as it is a complete statement with both an independent clause and a subordinate clause. Since there are no spelling errors present and the sentence flows well, it can be concluded that there is no error in this construction.