Error 256

I`m using an aplication in QNX 4.25.
It shows Error 256 in error log.

This error is from my application or it can be a QNX error ??

I guess the application is writing the logfile,

so it’s probably a problem of your application, Have a look at the program’s documentation.

Perhaps the value can be interpreted as an error number.
In QNX6 there is the file /usr/include/errno.h which contains all the error codes (256 is here Socket is already connected), there is probably a similar (the same) header in QNX 4.