Returns the error message that corresponds to a value or raises a given error context.
语法:
Error
Error(expression)
Error err_code
返回值:
String or raised error context
参数:
If no argument is provided, the Error function returns the error message of the most recent error that occurred during program execution.
expression: Any numeric expression whose error code can be mapped to an existing error message. An empty string is returned if the error code does not exist.
err_code: Any value that corresponds to an existing error code.