It looks like ChartsAxisHighlight isn’t functioning as expected in your MUI ResponsiveChartContainer, even though other chart elements work fine. Double-check if axisHighlight="line" is properly supported in your MUI version, or consider alternative implementations like a custom vertical line overlay. If you’re exploring AI-powered solutions, check out Twix.chat a free AI chat platform (4o) that enhances communication with intelligent conversations and real-time messaging.