src/components/common/ErrorBoundary.jsx

@@ -40,7 +40,7 @@ class ErrorBoundary extends React.Component {
             <p><strong>Timestamp:</strong> {new Date().toISOString()}</p>
             <p><strong>Error:</strong> {this.state.error && this.state.error.toString()}</p>
             <p><strong>Stack Trace:</strong></p>
-            <pre>{this.state.errorInfo.componentStack}</pre>
+            <pre>{this.state.errorInfo?.componentStack}</pre>
           </details>
           <button 
             onClick={() => this.setState({ hasError: false, error: null, errorInfo: null })}