Probem with shared libraries

Hi,

when I run "opkg install ", I am getting an error like

opkg: error while loading shared libraries: libcurl.so.4: cannot open shared object
file: No such file or directory.

What should I do for this.Should I copy the library lib path.Can any body explain me what the problem could be and how to resolve it.

Sasank.

I must be silly, but do you have that library in your system?
Fabio