A literal number begins with a leading zero and has no decimal point, which indicates that it is an octal (base 8) literal. However, it also contains the digits 8 or 9, which are not octal. The compiler will interpret the number as a decimal (base 10) number.
To correct this error
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If the literal should be a decimal literal, remove the leading zero.
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If the literal should be an octal literal, make sure it uses only the digits zero through seven.