### Terraform Version ```shell ╰─ terraform version ─╯ Terraform v1.4.6 on darwin_arm64 ``` ### Terraform Configuration Files ```terraform terraform { backend "s3" { encrypt = true region = "eusc-de-east-1" bucket = "any-bucket-will-do" dynamodb_table = "any-table-will-do" key = "state.tfstate" } } ``` ### Debug Output ``` [WARN] Invalid log level: "TRUE". Defaulting to level: TRACE. Valid levels are: [TRACE DEBUG INFO WARN ERROR OFF]2025-09-26T08:54:48.327-0500 [INFO] Terraform version: 1.4.6 2025-09-26T08:54:48.328-0500 [DEBUG] using github.com/hashicorp/go-tfe v1.21.0 2025-09-26T08:54:48.328-0500 [DEBUG] using github.com/hashicorp/hcl/v2 v2.16.2 2025-09-26T08:54:48.328-0500 [DEBUG] using github.com/hashicorp/terraform-config-inspect v0.0.0-20210209133302-4fd17a0faac2 2025-09-26T08:54:48.328-0500 [DEBUG] using github.com/hashicorp/terraform-svchost v0.1.0 2025-09-26T08:54:48.328-0500 [DEBUG] using github.com/zclconf/go-cty v1.12.1 2025-09-26T08:54:48.328-0500 [INFO] Go runtime version: go1.19.6 2025-09-26T08:54:48.328-0500 [INFO] CLI args: []string{"/opt/homebrew/Cellar/tfenv/3.0.0/versions/1.4.6/terraform", "init"} 2025-09-26T08:54:48.328-0500 [TRACE] Stdout is a terminal of width 146 2025-09-26T08:54:48.328-0500 [TRACE] Stderr is a terminal of width 146 2025-09-26T08:54:48.328-0500 [TRACE] Stdin is a terminal 2025-09-26T08:54:48.328-0500 [DEBUG] Attempting to open CLI config file: /Users/user/.terraformrc 2025-09-26T08:54:48.328-0500 [INFO] Loading CLI configuration from /Users/user/.terraformrc 2025-09-26T08:54:48.328-0500 [DEBUG] ignoring non-existing provider search directory terraform.d/plugins 2025-09-26T08:54:48.328-0500 [DEBUG] ignoring non-existing provider search directory /Users/user/.terraform.d/plugins 2025-09-26T08:54:48.328-0500 [DEBUG] ignoring non-existing provider search directory /Users/user/Library/Application Support/io.terraform/plugins 2025-09-26T08:54:48.328-0500 [DEBUG] ignoring non-existing provider search directory /Library/Application Support/io.terraform/plugins 2025-09-26T08:54:48.329-0500 [INFO] CLI command args: []string{"init"} Initializing the backend... 2025-09-26T08:54:48.414-0500 [TRACE] Meta.Backend: built configuration for "s3" backend with hash value 1110048968 2025-09-26T08:54:48.414-0500 [TRACE] Meta.Backend: backend has not previously been initialized in this working directory 2025-09-26T08:54:48.414-0500 [DEBUG] New state was assigned lineage "bf83a177-d008-567b-5982-260a37b3ed3b" 2025-09-26T08:54:48.414-0500 [TRACE] Meta.Backend: moving from default local state only to "s3" backend 2025-09-26T08:54:48.415-0500 [DEBUG] checking for provisioner in "." 2025-09-26T08:54:48.415-0500 [DEBUG] checking for provisioner in "/opt/homebrew/Cellar/tfenv/3.0.0/versions/1.4.6" 2025-09-26T08:54:48.415-0500 [TRACE] backend/local: state manager for workspace "default" will: - read initial snapshot from state.tfstate - write new snapshots to state.tfstate - create any backup at state.tfstate.backup 2025-09-26T08:54:48.415-0500 [TRACE] statemgr.Filesystem: reading initial snapshot from state.tfstate 2025-09-26T08:54:48.415-0500 [TRACE] statemgr.Filesystem: snapshot file has nil snapshot, but that's okay 2025-09-26T08:54:48.415-0500 [TRACE] statemgr.Filesystem: read nil snapshot 2025-09-26T08:54:48.415-0500 [TRACE] Meta.Backend: ignoring local "default" workspace because its state is empty Initializing modules... 2025-09-26T08:54:48.416-0500 [TRACE] ModuleInstaller: installing child modules for . into .terraform/modules 2025-09-26T08:54:48.420-0500 [DEBUG] Module installer: begin base_context ╷ │ Error: Invalid AWS Region: eusc-de-east-1 │ │ ╵ ``` ### Expected Behavior Remote backend S3 supported ### Actual Behavior Invalid AWS region ### Steps to Reproduce 1. `terraform init` ### Additional Context AWS European Sovereign Cloud is being created. However, the provider does not recognize `eusc-de-east-1` as a valid region. ### References - https://github.com/hashicorp/terraform-provider-aws/issues/44437 ### Generative AI / LLM assisted development? _No response_