usepackage{endfloat} problem

im having problems including an appendix. Here is the line that is causing problems. The problems appers only when i use the package "endfloat"

begin{appendix}

include{Appendix/ApA}

end{appendix}

And here is the error log

Runaway argument?

! File ended while scanning use of efloat@xfloat.
<inserted text> 
                par 
l.171 include{Appendix/ApA}
                             
I suspect you have forgotten a `}', causing me
to read past where you wanted me to stop.
I'll try to recover; but if the error is serious,
you'd better type `E' or `X' now and fix your fil

Thank you