Irrlicht Engine

I have a similar problem. In my app, the node and cam are only moved in the x and y directions (fixed z position). Any time I start or stop moving both, the node makes a small "jump". The camera target seems to be one frame behind. I could work around it by enlarging the target vector. Instead of ...

Maybe its a problem with the namespaces.
If you have 'using namespace ...' directives in your code, delete them and use fully quallified names (especially in .h files).