error copy

eps1lon · eps1lon · commit badf59cc0d40 · 2025-09-11T19:13:53.000+02:00
diff --git a/packages/react-devtools-shared/src/backend/fiber/renderer.js b/packages/react-devtools-shared/src/backend/fiber/renderer.js
@@ -5375,7 +5375,7 @@ export function attach(
     } else if (prevWasMounted && nextIsMounted) {
       if (prevFiber === null) {
         throw new Error(
-          'Expected previous fiber when updating an existing root',
+          'Expected a previous Fiber when updating an existing root.',
         );
       }
       // Update an existing root.

Original file line number	Diff line number	Diff line change
`@@ -5375,7 +5375,7 @@ export function attach(`
`5375`	`5375`	`} else if (prevWasMounted && nextIsMounted) {`
`5376`	`5376`	`if (prevFiber === null) {`
`5377`	`5377`	`throw new Error(`
`5378`		`- 'Expected previous fiber when updating an existing root',`
	`5378`	`+ 'Expected a previous Fiber when updating an existing root.',`
`5379`	`5379`	`);`
`5380`	`5380`	`}`
`5381`	`5381`	`// Update an existing root.`