错误提示信息
% Unrecognized command found at '^’ position. 命令无法解析,符号“^”指示位置出错
% Incomplete command found at '^’ position. 符号“^”指示位置的参数输入不完整
% Ambiguous command found at '^' position. 符号“^”指示位置的关键字不明确,存在二义性
% Too many parameters. 输入参数太多
% Wrong parameter found at '^' position. 在符号“^”指示位置的参数错误
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