Resolved a runtime TypeError caused by attempting to read 'useState' from a null value. The issue was traced to the TooltipProvider component, which was improperly imported or used, leading to React hooks being called outside of a valid React component context. The fix involved ensuring correct import of React and proper definition of TooltipProvider as a React component that uses hooks within a valid React functional component scope. This prevents the hooks from executing in an invalid context, eliminating the 'null useState' error and restoring proper rendering.
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