This happened today when I was switching character, and when I tried to use Snowrain (main), this error appeared:
OGRE (2:InvalidParametersExceptions):Cannot find required
template 'false' in ParticleSystenManager::createSystem at
C:\kito\git\sources\dependencies\ogre_src_v1-7-4\OgreMain\src\Ogre
ParticleSystemManager.cpp (line 327)
Does this mean I have missing files?