Unknown System Exception
Steps on fixing problems with an Unknown System Exception when importing files.
Creating Entities
Details on what objects automatically export as entities in a VMF and how to manually create other entities.
Vtex.exe - Problem figuring out outputdir
You can get this error when you've saved your TGA files to an incorrect path.
Studiomdl.exe - Check for write enable
This error occurs when the path for the output model does not exist. This is an error that happens at the compile stage and will happen if you are compiling straight from WWMT or by compiling manually from the batch file.
Studiomdl.exe and Vtex.exe - Unable to find gameinfo.txt
This error usually indicates Steam did an update or you are working with a mod that doesn't use the Steam VProject setting. Read the fix here.
Studiomdle.exe - vstdlib.dll is missing
This is a common error that you'll get after a Steam update. The simple fix is to restart Steam and Source SDK.