Koin project was hosted in JCenter until this year. The project was located in
org.koin maven group.
JCenter is shuting down: https://jfrog.com/blog/into-the-sunset-bintray-jcenter-gocenter-and-chartcenter/
The Koin project is now hosted in MavenCentral, and its maven group is now
io.insert-koin. Please check your configuration with modules below.
The koin project's maven group id is now