Fix

packages/backend-core/src/sql/utils.ts

@@ -116,9 +116,6 @@ export function breakRowIdField(_id: string | { _id: string }): any[] {
     return Array.isArray(parsed) ? parsed : [parsed]
   } catch (err) {
     // wasn't json - likely was handlebars for a many to many
-    if (Array.isArray(_id)) {
-      return _id
-    }
     return [_id]
   }
 }