Unable to add custom_headers to webhook using gitlab terraform provider

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

• Label this issue

Summary

Got following error when trying to create gitlab_project_hook resource:

Plan: 1 to add, 0 to change, 0 to destroy.

Do you want to perform these actions?

  Terraform will perform the actions described above.

  Only 'yes' will be accepted to approve.

  Enter a value: yes

gitlab_project_hook.webhook_sdlc_events: Creating...

│ Error: Provider produced inconsistent result after apply

│ When applying changes to gitlab_project_hook.webhook_sdlc_events, provider "provider[\"registry.terraform.io/gitlabhq/gitlab\"]" produced an unexpected new value:

│ .custom_headers: inconsistent values for sensitive attribute.

│ This is a bug in the provider, which should be reported in the provider's own issue tracker.

Steps to reproduce

terraform code with additional terraform var files:

terraform {
  required_providers {
    gitlab = {
      source  = "gitlabhq/gitlab"
      version = "~> 18.3"
    }
  }
}
provider "gitlab" {
  base_url = var.gitlab_url
  token    = var.gitlab_token
}

resource "gitlab_project_hook" "webhook_sdlc_events" {
  project               = var.project 
  url                   = var.dt_gitlab_sdlc_ingest_url
  merge_requests_events = true
  job_events            = true
  pipeline_events       = true
  releases_events       = true
  deployment_events     = true

  custom_headers = [
    {
      key   = "Authorization"
      value = var.dt_token
    }
  ]
}

Did terraform plan and terraform apply and got error in summary. Check gitlab UI and found the webhook is created but without custom_headers. The error message shows I should report it