Steps to reproduce:

1. Compile lmms (master branch)
2. From the build directory run ./lmms
3. Drag a VST into your project
4. Receive console message remote plugin died! invalidating now.

Work-around:

1. After compiling, run make install
2. Run lmms from install directory (i.e. ../target/bin/lmms)

Related: #1719