# Issue while re installing operator

**URL:** <https://forums.percona.com/t/issue-while-re-installing-operator/22033>\
**Category:** Percona Operator for MySQL\
**Tags:** community, mysql, percona\
**Created:** [May 12, 2023, 8:30pm UTC](https://forums.percona.com/t/issue-while-re-installing-operator/22033 "2023-05-12T20:30:13Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![chethan4046](https://avatars.discourse-cdn.com/v4/letter/c/54ee81/32.png) [@chethan4046](https://forums.percona.com/u/chethan4046)\
**Post date:** [May 12, 2023, 8:30pm UTC](https://forums.percona.com/t/issue-while-re-installing-operator/22033/1 "2023-05-12T20:30:13Z")

</div>

I am getting bellow error while re instaling operator

```auto
2023-05-12T20:24:47.265Z	ERROR	pkg/mod/k8s.io/client-go@v0.25.3/tools/cache/reflector.go:169: Failed to watch *v1.PerconaXtraDBCluster: failed to list *v1.PerconaXtraDBCluster: request to convert CR from an invalid group/version: pxc.percona.com/v1-12-0

k8s.io/klog/v2.(*loggingT).output
	/go/pkg/mod/k8s.io/klog/v2@v2.80.1/klog.go:874
k8s.io/klog/v2.(*loggingT).printDepth
	/go/pkg/mod/k8s.io/klog/v2@v2.80.1/klog.go:714
k8s.io/klog/v2.ErrorDepth
	/go/pkg/mod/k8s.io/klog/v2@v2.80.1/klog.go:1534
k8s.io/apimachinery/pkg/util/runtime.logError
	/go/pkg/mod/k8s.io/apimachinery@v0.25.3/pkg/util/runtime/runtime.go:115
k8s.io/apimachinery/pkg/util/runtime.HandleError
	/go/pkg/mod/k8s.io/apimachinery@v0.25.3/pkg/util/runtime/runtime.go:109
k8s.io/client-go/tools/cache.DefaultWatchErrorHandler
	/go/pkg/mod/k8s.io/client-go@v0.25.3/tools/cache/reflector.go:140
k8s.io/client-go/tools/cache.(*Reflector).Run.func1
	/go/pkg/mod/k8s.io/client-go@v0.25.3/tools/cache/reflector.go:224
k8s.io/apimachinery/pkg/util/wait.BackoffUntil.func1
	/go/pkg/mod/k8s.io/apimachinery@v0.25.3/pkg/util/wait/wait.go:157
k8s.io/apimachinery/pkg/util/wait.BackoffUntil
	/go/pkg/mod/k8s.io/apimachinery@v0.25.3/pkg/util/wait/wait.go:158
k8s.io/client-go/tools/cache.(*Reflector).Run
	/go/pkg/mod/k8s.io/client-go@v0.25.3/tools/cache/reflector.go:222
k8s.io/apimachinery/pkg/util/wait.(*Group).StartWithChannel.func1
	/go/pkg/mod/k8s.io/apimachinery@v0.25.3/pkg/util/wait/wait.go:58
k8s.io/apimachinery/pkg/util/wait.(*Group).Start.func1
	/go/pkg/mod/k8s.io/apimachinery@v0.25.3/pkg/util/wait/wait.go:75
2023-05-12T20:24:59.986Z	INFO	pkg/mod/k8s.io/client-go@v0.25.3/tools/cache/reflector.go:169: failed to list *v1.PerconaXtraDBCluster: request to convert CR from an invalid group/version: pxc.percona.com/v1-12-0

2023-05-12T20:24:59.986Z	ERROR	pkg/mod/k8s.io/client-go@v0.25.3/tools/cache/reflector.go:169: Failed to watch *v1.PerconaXtraDBCluster: failed to list *v1.PerconaXtraDBCluster: request to convert CR from an invalid group/version: pxc.percona.com/v1-12-0

one more error i am getting in operator is 

```

---

<div class="post-metadata">

**Author:** ![Sergey\_Pronin](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/sergey_pronin/32/14887_2.png) [@Sergey\_Pronin](https://forums.percona.com/u/Sergey_Pronin)\
**Post date:** [May 15, 2023, 8:34am UTC](https://forums.percona.com/t/issue-while-re-installing-operator/22033/2 "2023-05-15T08:34:58Z")

</div>

Hello @chethan4046 ,

could you please share steps to reproduce and more details about your environment? k8s version, flavor, other.

---

<div class="post-metadata">

**Author:** ![chethan4046](https://avatars.discourse-cdn.com/v4/letter/c/54ee81/32.png) [@chethan4046](https://forums.percona.com/u/chethan4046)\
**Post date:** [May 16, 2023, 4:22pm UTC](https://forums.percona.com/t/issue-while-re-installing-operator/22033/3 "2023-05-16T16:22:21Z")

</div>

> [@Sergey\_Pronin](#):
>
> could you please share steps to reproduce and more details about your environment? k8s version, flavor, other.

Thanks for your response @Sergey_Pronin , I am able to fix issue, Issue with finaliser of old instance