Hi jk23! Welcome to the Community, sorry to hear you are experiencing this issue.
Could you provide more information about your issue? For example, where are you seeing the Error? If you could provide a screenshot of this error that would be very helpful.
Here is a link to the Xibo for Android Download centre, could you try installing 1.8 R108 onto your device and confirm if the issue persists? Any screenshots you can provide of any errors you experience would also be helpful.