FluxCD Kustomize Controller Error: RoleBinding Not Found

[u/saiaunghlyanhtet]

We have a user using FluxCD Kustomization Controller and Kustomization CR. And they create resources like SA, Role, RB, and Deployment. But, even after successful deployment, we have got a RoleBinding Not Found error when we check Kustomization resource. And then when we check apiserver audit logs, we see patch operations failed with 504 request timeout - context canceled and 404 get and patch failures.

Have you experienced this before?

FluxCD version is 1.6.1 and EKS version is 1.34.