10 They say to the seers, “See no more visions!” and to the prophets, “Give us no more visions of what is right! Tell us pleasant things, prophesy illusions.

Read Isaiah 30:10 Using Other Translations

Which say to the seers, See not; and to the prophets, Prophesy not unto us right things, speak unto us smooth things, prophesy deceits:
who say to the seers, "Do not see," and to the prophets, "Do not prophesy to us what is right; speak to us smooth things, prophesy illusions,
They tell the seers, “Stop seeing visions!” They tell the prophets, “Don’t tell us what is right. Tell us nice things. Tell us lies.