The most prevalent sort of programming fault is syntax error. When a programmer produces code that does not follow the syntax of the language, this error occurs. When code is executed but does not achieve the anticipated outcome, runtime errors occur. Inaccurate code, incorrect data, or flaws in the environment in which the code is running can all create these mistakes. Logic mistakes are flaws in the code's logic. The code may generate inaccurate results or crash as a result of these problems. When code is compiled but the compiler does not understand it, compilation errors occur. Inaccurate code, incorrect data, or flaws in the environment in which the code is running can all create these mistakes.