Basic guide to using the -show_err function in RTW and BI
-show_err is the basic error reporting system for RTW and BI, to activate it do the following:
Right click on the desktop shortcut you use to launch your game. Select properties. In the target line after the end " type a space and then -show_err
the finished line should look like: click apply and that should be done.
Please note that -show_err only gives message for the first problem it finds. You have to fix the first problem before you get next message. For some problems you also need to delete the map.rwm file in order for first problem to be removed. If you have a non-fatal error that gives message, you do need to fix it, otherwise you won't get message for more serious problems.
Understanding messages given by -show_err
Once you have -show_err operating you will find that for some modding problems it very kindly gives you a reference to which file is wrong and gives you the line number where problem is located. (to find line number x use notepad, edit, go to function) Unfortunately a lot of the error messages it gives you are more difficult to understand. Some of the common confusing ones are listed below:
== Problems that crash or KTM without -show_err message == Some examples of modding problems that don't generate show_err message are listed below.