An error of principle is made, if
An entry has been made on the wrong class of account
A transaction has been completely omitted
An entry has been made on the wrong side of the two accounts corrected
A transaction is entered in both accounts for the wrong amount
Correct answer is A
An error of principle is an accounting mistake in which an entry is recorded in the incorrect account, violating the fundamental principles of accounting. An error of principle is a procedural error, meaning that the value recorded was the correct value but placed incorrectly.