这段错误代码是什么意思？(0分)

[Error] Unit1.pas(38): Illegal character in input file: '　' ($A1A1)
[Error] Unit1.pas(38): Illegal character in input file: '　' ($A1A1)
[Error] Unit1.pas(41): Illegal character in input file: '　' ($A1A1)
[Error] Unit1.pas(41): Illegal character in input file: '　' ($A1A1)
[Error] Unit1.pas(44): Illegal character in input file: '　' ($A1A1)
[Fatal Error] Project1.dpr(5): Could not compile used unit 'Unit1.pas'

违法的字符在输入的文件:' '

已经解决！