Cashgen - (kinda) Infinite Procedural World Generator

Good day.
Today I tried to use your plugin in accordance with the lessons located under the link:
CashGen Tutorial - Part 2 - Making a simple terrain scene - YouTube
But unfortunately when I tried to start the gameplay, the system hung and I was given the following …

Tell me what I’m doing wrong, I’m working in version 18.3. The RuntimeMeshComponent works separately from the terrane generator.