Why this error is come when facebook banner is loaded

[Anurag_Singh_rocking]

My Block

Error that come when banner ads is loaded

[iaditya_nanda]

Try changing banner ad size

[Anurag_Singh_rocking]

i already tried but nothing is happening!

[iaditya_nanda]

Now @Krish can only help

[Krish]

Standard Size Not supported, try some other size
Also you are suggested to sto using Facebook ads component and move to bidding with some supported mediation component as Facebook will stop showing waterfall ads soon.

[Anurag_Singh_rocking]

i already tried but nothing is happen.