God is eternal. The Universe is eternal. These two theories hold no contradiction for me.
If they do for you, then this is a personal problem you will have to work through yourself. I cannot help you.
Have a nice day.
If the Universe is eternal, God didn’t create it and there was no “in the beginning”.
So whoever this God is who didn’t create in the beginning, it wasn’t the God who “in the beginning” CREATED.
That is all.
Have an excellent day.