Remarketing using Display Network Error
I have a list size of over 150 in my remarketing list. I have created a Display campaign to target these visitors & connected the display campaign to remarketing list. Its been a week I have set up this campaign but haven't received any impressions. Upon little investigation I have noticed an error in the summary of Display Network. Below are screenshots:
Below is the screenshot displaying list size:
Kindly help me how can I overcome this challenge & set my remarketing display network.