Concept:The recognised categories of programming errors are syntax, logic, and arithmetic (runtime) errors.
Explanation:A syntax error occurs when code violates the rules of the programming language.
A logic error produces incorrect output because the program’s reasoning is wrong.
An arithmetic error happens during calculations, for example, division by zero.
"Grammar error" is not a standard term used in programming; the correct equivalent is "syntax error."
Therefore, grammar error is the one that is not a type of programming error.
Answer:A. grammar error