What you are seeing might be expected behaviour - please read on to see if it is.
If Yes, then here's a likely scenario of what you are seeing:
If your document doesn't require left and right pages, disable the Facing Pages option in Document Setup.
Am hoping this is indeed what is happening to your document. If it's not let us know, and if possible try the following
To do that see: Set preferences in Adobe InDesign
If that still doesn't resolve it, let us know: