Vue3, layout issue

[spacemanna]

How do we manage this?

TypeError: Failed to execute 'appendChild' on 'Node': parameter 1 is not of type 'Node'.
at eval (vue-split-layout.js?a809:1:29652)
at Array.forEach ()
at VueComponent.beforeUpdate (vue-split-layout.js?a809:1:29615)
at invokeWithErrorHandling (vue.esm.js?efeb:3735:1)
at callHook$1 (vue.esm.js?efeb:3136:1)
at Watcher.before (vue.esm.js?efeb:2986:1)
at flushSchedulerQueue (vue.esm.js?efeb:3222:1)
at Array.eval (vue.esm.js?efeb:3861:1)
at flushCallbacks (vue.esm.js?efeb:3783:1)