Counting should be done in reverse
Counting should be done in reverse

Items are removed from the registeredAnimations array while the count goes up, this results into incorrect lookups in the array for nonexisting items  
airbnb/lottie-web,bodymovin/bodymovin,chen-ye/bodymovin,bodymovin/bodymovin,chen-ye/bodymovin,airbnb/lottie-web