It looks like a linker error in response to a corrupted object file (or an object file in another file format).
If sycon2c1.c is one of your files, then delete sycon2c1.o and try rebuilding (or just try "clean", then "rebuild all").
> please provide the information about this error
Please provide more background information like which OS / Compiler you're using.
Like what is this "DIS" you mention, some development platform?
Typing in error messages into search engines can also provide some information.
http://clusty.com/search?query=%22Ra...Mozilla-search