chore: add QnA to troubleshooting.md (#244)

* chore: add faq

Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr>

* fix: add latest crds link

Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr>

* Update website/docs/troubleshooting.md

Co-authored-by: Vedant Shrotria <vedant.shrotria@harness.io>

---------

Signed-off-by: namkyu1999 <lak9348@konkuk.ac.kr>
Co-authored-by: Vedant Shrotria <vedant.shrotria@harness.io>

website/docs/troubleshooting.md

@@ -48,6 +48,16 @@ You need to Provide the correct socket path. By default in Portal `CONTAINER_RUN
 If Your container runtime is `containerd` then you have to change the `CONTAINER_RUNTIME` to `containerd` and `SOCKET_PATH` to `/var/run/containerd/containerd.sock`.
 You can find these in tune faults part of the tune chaos experiment page.
 
+### The probe only accepts values in `ns, us, ms, m, s, or h`. But Why do experiments fail with `must be of type integer`?
+
+In the logs of the Helper pod, you may face these error logs below.
+
+```shell
+{"mainLogs":"W1003 08:59:55.273647       1 client_config.go:552] Neither --kubeconfig nor --master was specified.  Using the inClusterConfig.  This might not work.\n2023/10/03 08:59:55 Error Creating Resource : ChaosEngine.litmuschaos.io 'pod-network-loss-h6srhrls' is invalid: [spec.experiments[0].spec.probe[0].runProperties.interval: Invalid value: 'string': spec.experiments[0].spec.probe[0].runProperties.interval in body must be of type integer: 'string', spec.experiments[0].spec.probe[0].runProperties.probeTimeout: Invalid value: 'string': spec.experiments[0].spec.probe[0].runProperties.probeTimeout in body must be of type integer: 'string']\n"}
+```
+
+It's because your cluster using old CRD manifest files. So you need to delete all Litmus' CRDs and reinstall them. The definition for CRDs can be found in the Chaos Infrastructure YAML file or at this [link](https://github.com/litmuschaos/litmus/blob/master/mkdocs/docs/<chaoscenter-version>/litmus-portal-crds-<chaoscenter-version>.yml).
+
 ## Chaoshub
 
 ### We have installed ChaosCenter successfully but the Litmus ChaosHub is in error state and manual cloning of a Git repository does not work.

website/versioned_docs/version-3.0.0/troubleshooting.md

@@ -48,6 +48,16 @@ You need to Provide the correct socket path. By default in Portal `CONTAINER_RUN
 If Your container runtime is `containerd` then you have to change the `CONTAINER_RUNTIME` to `containerd` and `SOCKET_PATH` to `/var/run/containerd/containerd.sock`.
 You can find these in tune faults part of the tune chaos experiment page.
 
+### The probe only accepts values in `ns, us, ms, m, s, or h`. But Why do experiments fail with `must be of type integer`?
+
+In the logs of the Helper pod, you may face these error logs below.
+
+```shell
+{"mainLogs":"W1003 08:59:55.273647       1 client_config.go:552] Neither --kubeconfig nor --master was specified.  Using the inClusterConfig.  This might not work.\n2023/10/03 08:59:55 Error Creating Resource : ChaosEngine.litmuschaos.io 'pod-network-loss-h6srhrls' is invalid: [spec.experiments[0].spec.probe[0].runProperties.interval: Invalid value: 'string': spec.experiments[0].spec.probe[0].runProperties.interval in body must be of type integer: 'string', spec.experiments[0].spec.probe[0].runProperties.probeTimeout: Invalid value: 'string': spec.experiments[0].spec.probe[0].runProperties.probeTimeout in body must be of type integer: 'string']\n"}
+```
+
+It's because your cluster using old CRD manifest files. So you need to delete all Litmus' CRDs and reinstall them. The definition for CRDs can be found in the Chaos Infrastructure YAML file or at this [link](https://github.com/litmuschaos/litmus/blob/master/mkdocs/docs/3.0.0/litmus-portal-crds-3.0.0.yml).
+
 ## Chaoshub
 
 ### We have installed ChaosCenter successfully but the Litmus ChaosHub is in error state and manual cloning of a Git repository does not work.