AdSense: () error: No slot size for availableWidth

error: No slot size for availableWidth=0 tagerror_ adsbygoogle push error_ no slot size for availablewidth=0 () error: No slot size for availableWidth=0 name : TagError stack : TagError: () error: No slot size for pragmatic menang slot online push() error: No slot size for availableWidth=0 trying to add the Goggle ADs in my own website but i receive this error message when i open the

victor slot Uncaught K {message: () error: No slot size for availableWidth=0, name: TagError, stack: TagError: