Variable %s not saved in installation database
The indicated variable is used as part of a symbolic expression, but the variable is not saved in the installer database. This will cause the symbolic expression expansion, and possibly the installation, to fail.
Each InstallMate project contains a large number of predefined symbolic variables. However, certain variables that might contain sensitive information are not saved by default, for example the build-time variables. If you want to use these variables during installation, you must ensure that they are saved in the installation database.
Make sure that the variable's Include in installer box is checked in the Symbolic Variable attributes.