Message Oracle PCC-00094 - Array length for char[n] datatype must be >= 2

ERRORArray length for char[n] datatype must be >= 2
CAUSEWhen MODE={ANSI | ANSI14}, a length of less than 2 characters for a char[n] host variable was specified or a simple char variable was specified. When MODE={ANSI | ANSI14}, the length must be at least 2 characters. This message is issued only by the Pro*C precompiler.
ACTIONCorrect the declaration so that it specifies a length of at least 2 characters.