Increase the value to during the mixing phase.
If you want, I can provide a short, prioritized checklist tailored to your DAW (Pro Tools, Logic, Ableton, Cubase, Reaper) or help you interpret a specific crash log or audio example. Which DAW are you using?
Result: This gives your computer's processor enough breathing room to compute the complex algorithms inside CLA Vocals without dropping audio frames. 2. Practice Proper Gain Staging
Sometimes the Waves License Engine gets stuck.