Legacy View blocks are broken after migrating to Views 3.x

Symptoms

Migrating a legacy View block that has any of its parameters set to the new View block introduced after Views 3.x, results in a broken block on the editor.

Workaround

This issue will be fixed in the next release of Toolset Views.

In the meantime, download this patch, extract it and replace

• Bootstrap.php in /wp-views/backend/Services/Bootstrap.php
• ViewParsingService.php in /wp-views/backend/Services/ViewParsingService.php