AWS RAM resource share has 'allows external principals' disabled which may cause your entire organization or organizational units to lose access to the shared resources.
In AWS Console -
In Terraform -
References:
https://docs.aws.amazon.com/resource-explorer/latest/userguide/security_iam.html
https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ram_resource_share#allow_external_principals