This is an error in the RapidAPI interface. To resolve this error, you must switch to the current API version.

• Go to RapidAPI developer interface.
• Select your application in the left bar and click the Configuration tab.
• Go to the Settings (x-rapidapi-key) page from the tabs above.
• Find the Genius - Song Lyrics API, select the V2 version and save it.
• In a few minutes, your requests will begin to succeed.