[OS X TeX] error message about DeclareInputText or DeclareInputMath

[Kuo-Hsien Chang]

Dear all,

What's wrong on those two lines in LaTex?

Thanks for your helps.

Michael Chang




:
:
in the past 100 years from 8.2 degree C in January to 19.1 degree C  
in July.
:
:
Total organic C is 2.7\%(27 g/kg
), total organic N is 0.2\%(2 g/kg
)  
and pH (H2O) is 7.6  in the 0-15cm soil layer.
:
:

Package inputenc package documentation for explanation.
Total organic C is 2.7\%(27 g/kg^^A
			
), total organic N is 0.2\...

The error message is that you need to provide a definition with  
\DeclareInputText or \DeclareInputMath before using this key.