Cross-Origin Request Blocked

Hello,

I am using this Plugin in two of my websites.

I think, ads are not showing properly!
While debugging, I noticed that both sites’ console giving similar Error/Warning!

Can you pls suggest what to do?

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://securepubads.g.doubleclick.net/gampad/ads?gdfp_req=1&pvsid=400728888456454&correlator=1368603672202795&output=json_html&callback=googletag.impl.pubads.callbackProxy1&impl=fifs&json_a=1&eid=21062749%2C21062069%2C21062577%2C21062831&vrg=297&guci=2.2.0.0.2.2.0.0&plat=1%3A1081352%2C2%3A1081352&sc=1&sfv=1-0-31&iu_parts=6452988%2CCareers.ie-728×90%2CCareersIE-300×250&enc_prev_ius=%2F0%2F1%2C%2F0%2F1%2C%2F0%2F2%2C%2F0%2F1%2C%2F0%2F2&prev_iu_szs=0x0%2C800x0%2C310x0%2C1140x0%2C200x0&cust_params=UrlHost%3Dwww.careers.ie%26UrlPath%3D%252F%26UrlQuery%3D&cookie_enabled=1&bc=13&abxe=1&lmt=1548828845&dt=1548828845288&dlt=1548828843074&idt=2138&frm=20&biw=1349&bih=654&oid=3&adxs=0%2C0%2C0%2C0%2C0&adys=0%2C0%2C0%2C0%2C0&adks=1888048638%2C3446069678%2C1538447766%2C4048768166%2C4090689855&ucis=1%7C2%7C3%7C4%7C5&ifi=1&u_tz=330&u_his=2&u_h=768&u_w=1366&u_ah=728&u_aw=1366&u_cd=24&u_sd=1&flash=0&url=https%3A%2F%2Fwww.careers.ie%2F&dssz=29&icsg=4397957332991&std=22&vis=2&scr_x=0&scr_y=0&psz=0x0%7C800x0%7C310x0%7C1140x0%7C200x0&msz=0x25%7C800x25%7C259x22%7C674x25%7C200x19&ga_vid=1081566705.1548828845&ga_sid=1548828845&ga_hid=583227135&fws=128%2C128%2C128%2C128%2C128. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).

Loading failed for the <script> with source “https://securepubads.g.doubleclick.net/gampad/ads?gdfp_req=1&pvsid=400728888456454&correlator=1368603672202795&output=json_html&callback=googletag.impl.pubads.callbackProxy1&impl=fifs&json_a=1&eid=21062749%2C21062069%2C21062577%2C21062831&vrg=297&guci=2.2.0.0.2.2.0.0&plat=1%3A1081352%2C2%3A1081352&sc=1&sfv=1-0-31&iu_parts=6452988%2CCareers.ie-728×90%2CCareersIE-300×250&enc_prev_ius=%2F0%2F1%2C%2F0%2F1%2C%2F0%2F2%2C%2F0%2F1%2C%2F0%2F2&prev_iu_szs=0x0%2C800x0%2C310x0%2C1140x0%2C200x0&cust_params=UrlHost%3Dwww.careers.ie%26UrlPath%3D%252F%26UrlQuery%3D&cookie_enabled=1&bc=13&abxe=1&lmt=1548828845&dt=1548828845288&dlt=1548828843074&idt=2138&frm=20&biw=1349&bih=654&oid=3&adxs=0%2C0%2C0%2C0%2C0&adys=0%2C0%2C0%2C0%2C0&adks=1888048638%2C3446069678%2C1538447766%2C4048768166%2C4090689855&ucis=1%7C2%7C3%7C4%7C5&ifi=1&u_tz=330&u_his=2&u_h=768&u_w=1366&u_ah=728&u_aw=1366&u_cd=24&u_sd=1&flash=0&url=https%3A%2F%2Fwww.careers.ie%2F&dssz=29&icsg=4397957332991&std=22&vis=2&scr_x=0&scr_y=0&psz=0x0%7C800x0%7C310x0%7C1140x0%7C200x0&msz=0x25%7C800x25%7C259x22%7C674x25%7C200x19&ga_vid=1081566705.1548828845&ga_sid=1548828845&ga_hid=583227135&fws=128%2C128%2C128%2C128%2C128”.