An error occurred in hook 'getInspectorState' registered by plugin 'org.vuejs.vue2-internal' with payload

[argentum-konstantinium]

Vue devtools version

6.5.0

Link to minimal reproduction

https://github.com/argentum-konstantinium/vue-devtools-bug

Steps to reproduce & screenshots

1. Create project with vue 2 and vuex (for vue 3 this error is not actual)
2. Create parent module with namespaced: false
3. Create childModule with namespaced: true
4. Open this in browser
5. Open vue devtools and inspect child module in vuex

What is expected?

Success inspect child module in vuex

What is actually happening?

Vue devtools throw error:

backend.js:748 An error occurred in hook 'getInspectorState' registered by plugin 'org.vuejs.vue2-internal' with payload: Object

callHandlers @ VM2100 backend.js:748
callHook @ VM2100 backend.js:230
VM2100 backend.js:749 TypeError: Cannot convert undefined or null to object
    at Function.keys (<anonymous>)
    at formatStoreForInspectorState (VM2100 backend.js:5790:30)
    at VM2100 backend.js:5465:27
    at handler (VM2100 backend.js:725:16)
    at DevtoolsHookable.callHandlers (VM2100 backend.js:746:17)
    at DevtoolsApi.callHook (VM2100 backend.js:230:26)
    at async DevtoolsApi.getInspectorState (backend.js:445:21)
    at async sendInspectorState (backend.js:2644:44)

System Info

system: windows 11 (64 bit)
browser: chrome 110.0.5481.178 (64 bit)

Any additional comments?

No response