TagError: () error: No slot size for availableWidth

TagError: () error: No slot size for availableWidth=0 when i use responsive ads what is wrong with the code? adsense

In javascript console, it shows: TagError: () error: No slot size for availableWidth=0 TagError: () error: No

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nordborg slot efterskole The element seems to be returning this error … TagError: () error: No slot size for availableWidth=0 Have tried solutions found in a google