Hi folks anyone that was able to use constraint layout 2 0 0

Question

Hi folks anyone that was able to use constraint layout 2 0 0 beta4 in the editor of Android Studio 4 1 Canary 4 I m getting a render error

SrSouza · Answer

```java lang NoClassDefFoundError Could not initialize class androidx constraintlayout widget ConstraintLayout$LayoutParams$Table at androidx constraintlayout widget ConstraintLayout$LayoutParams lt init gt ConstraintLayout java 2488 at androidx constraintlayout widget ConstraintLayout generateLayoutParams ConstraintLayout java 1717 at androidx constraintlayout widget ConstraintLayout generateLayoutParams ConstraintLayout java 479 at android view LayoutInflater rInflate Original LayoutInflater java 1125 at android view LayoutInflater Delegate rInflate LayoutInflater Delegate java 72 at android view LayoutInflater rInflate LayoutInflater java 1097 at android view LayoutInflater rInflateChildren LayoutInflater java 1084 at android view LayoutInflater inflate LayoutInflater java 682 at android view LayoutInflater inflate LayoutInflater java 501 at com android layoutlib bridge impl RenderSessionImpl inflate RenderSessionImpl java 347 at com android layoutlib bridge Bridge createSession Bridge java 404 at com android tools idea layoutlib LayoutLibrary createSession LayoutLibrary java 141 at com android tools idea rendering RenderTask createRenderSession RenderTask java 662 at com android tools idea rendering RenderTask lambda$inflate$7 RenderTask java 793 at java util concurrent CompletableFuture$AsyncSupply run CompletableFuture java 1604 at java util concurrent ThreadPoolExecutor runWorker ThreadPoolExecutor java 1149 at java util concurrent ThreadPoolExecutor$Worker run ThreadPoolExecutor java 624 at java lang Thread run Thread java 748 ```

louiscad · Answer

If it s a regression it s best to report it on <http b android com|b android com> to ensure it gets fixed ASAP for you and others