adsense errors - adsbygoogle is not defined no slot size

adsbygoogle push error_ no slot size for availablewidth=0   Dan cleopatra 2 slot

CSS : Google Adsense Error TagError: () error: No slot size for

CSS : Google Adsense Error TagError: () error: No slot size for CSS : Google Adsense Error TagError: () error: No slot size for

slot power of thor :1 Uncaught P {message: () error: No slot size for availableWidth=0, stack: TagError: () error: () error: No slot size for availableWidth push() error: No slot size for availableWidth=0 What should I do? In Chrome