### Terraform Version ```shell Terraform v1.14.8 on darwin_arm64 + provider registry.terraform.io/f5networks/bigip v1.26.0 + provider registry.terraform.io/hashicorp/tls v4.2.1 + provider registry.terraform.io/paloaltonetworks/panos v2.0.10 + provider registry.terraform.io/vancluever/acme v2.46.0 ``` ### Terraform Configuration Files ```terraform action "panos_commit" "commit" { admins = [""] description = "Commit changes after certificate import" templates = [ data.panos_template.censored_template.name ] } data "panos_template" "censored_template" { name = "" location = { panorama = { panorama_device = var.panos_panorama_device_name } } lifecycle { action_trigger { actions = [panos_commit.commit] events = [after_create, after_update] } } } ``` ### Debug Output ``` 2026-04-17T16:03:29.839-0700 [INFO] Terraform version: 1.14.8 2026-04-17T16:03:29.839-0700 [DEBUG] using github.com/hashicorp/go-tfe v1.94.0 2026-04-17T16:03:29.839-0700 [DEBUG] using github.com/hashicorp/hcl/v2 v2.24.0 2026-04-17T16:03:29.839-0700 [DEBUG] using github.com/hashicorp/terraform-svchost v0.1.1 2026-04-17T16:03:29.839-0700 [DEBUG] using github.com/zclconf/go-cty v1.16.3 2026-04-17T16:03:29.839-0700 [INFO] Go runtime version: go1.25.8 2026-04-17T16:03:29.839-0700 [INFO] CLI args: []string{"/opt/homebrew/Cellar/tfenv/3.0.0/versions/1.14.8/terraform", "validate"} 2026-04-17T16:03:29.839-0700 [TRACE] Stdout is a terminal of width 223 2026-04-17T16:03:29.839-0700 [TRACE] Stderr is a terminal of width 223 2026-04-17T16:03:29.839-0700 [TRACE] Stdin is a terminal 2026-04-17T16:03:29.839-0700 [DEBUG] Attempting to open CLI config file: /Users/tmansfield/.terraformrc 2026-04-17T16:03:29.839-0700 [DEBUG] File doesn't exist, but doesn't need to. Ignoring. 2026-04-17T16:03:29.839-0700 [DEBUG] ignoring non-existing provider search directory terraform.d/plugins 2026-04-17T16:03:29.839-0700 [DEBUG] ignoring non-existing provider search directory /Users/tmansfield/.terraform.d/plugins 2026-04-17T16:03:29.839-0700 [DEBUG] ignoring non-existing provider search directory /Users/tmansfield/Library/Application Support/io.terraform/plugins 2026-04-17T16:03:29.839-0700 [DEBUG] ignoring non-existing provider search directory /Library/Application Support/io.terraform/plugins 2026-04-17T16:03:29.839-0700 [INFO] CLI command args: []string{"validate"} !!!!!!!!!!!!!!!!!!!!!!!!!!! TERRAFORM CRASH !!!!!!!!!!!!!!!!!!!!!!!!!!!! Terraform crashed! This is always indicative of a bug within Terraform. Please report the crash with Terraform[1] so that we can fix this. When reporting bugs, please include your terraform version, the stack trace shown below, and any additional information which may help replicate the issue. [1]: https://github.com/hashicorp/terraform/issues !!!!!!!!!!!!!!!!!!!!!!!!!!! TERRAFORM CRASH !!!!!!!!!!!!!!!!!!!!!!!!!!!! panic: unexpected lifecycle sub-block type "action_trigger" goroutine 1 [running]: runtime/debug.Stack() runtime/debug/stack.go:26 +0x64 github.com/hashicorp/terraform/internal/logging.PanicHandler() github.com/hashicorp/terraform/internal/logging/panic.go:84 +0x16c panic({0x1033bcda0?, 0x140001b8950?}) runtime/panic.go:783 +0x120 github.com/hashicorp/terraform/internal/configs.decodeDataBlock(0x14000761040, 0x0, 0x0) github.com/hashicorp/terraform/internal/configs/resource.go:691 +0x1864 github.com/hashicorp/terraform/internal/configs.parseConfigFile({0x103c52070, 0x14000739340}, {0x0, 0x0, 0x0}, 0x0, 0x0) github.com/hashicorp/terraform/internal/configs/parser_config.go:219 +0x2f0 github.com/hashicorp/terraform/internal/configs.(*Parser).loadConfigFile(0x140005d83e0, {0x14000782690?, 0x0?}, 0x0) github.com/hashicorp/terraform/internal/configs/parser_config.go:84 +0x3c github.com/hashicorp/terraform/internal/configs.(*Parser).LoadConfigFile(...) github.com/hashicorp/terraform/internal/configs/parser_config.go:25 github.com/hashicorp/terraform/internal/configs.(*Parser).loadFiles(0x140005d83e0, {0x14000733600?, 0x19?, 0x0?}, 0x0) github.com/hashicorp/terraform/internal/configs/parser_config_dir.go:171 +0xd4 github.com/hashicorp/terraform/internal/configs.(*Parser).LoadConfigDir(0x140005d83e0, {0x140000744a0, 0x19}, {0x0?, 0x1?, 0x1002b120c?}) github.com/hashicorp/terraform/internal/configs/parser_config_dir.go:54 +0xcc github.com/hashicorp/terraform/internal/configs/configload.(*Loader).moduleWalkerLoad(0x140005de000, 0x1400074afc0) github.com/hashicorp/terraform/internal/configs/configload/loader_load.go:120 +0x3d8 github.com/hashicorp/terraform/internal/configs.ModuleWalkerFunc.LoadModule(0x10?, 0x1033bcda0?) github.com/hashicorp/terraform/internal/configs/config_build.go:298 +0x28 github.com/hashicorp/terraform/internal/configs.loadModule(0x14000723340, 0x1400074afc0, {0x103c0c4a0, 0x140001b93f0}) github.com/hashicorp/terraform/internal/configs/config_build.go:190 +0x3c github.com/hashicorp/terraform/internal/configs.buildChildModules(0x14000756b60, {0x103c0c4a0, 0x140001b93f0}) github.com/hashicorp/terraform/internal/configs/config_build.go:173 +0x32c github.com/hashicorp/terraform/internal/configs.loadModule(0x14000723340, 0x140005e7c20, {0x103c0c4a0, 0x140001b93f0}) github.com/hashicorp/terraform/internal/configs/config_build.go:210 +0x204 github.com/hashicorp/terraform/internal/configs.buildChildModules(0x14000723340, {0x103c0c4a0, 0x140001b93f0}) github.com/hashicorp/terraform/internal/configs/config_build.go:173 +0x32c github.com/hashicorp/terraform/internal/configs.BuildConfig(0x140005e7b00, {0x103c0c4a0, 0x140001b93f0}, {0x103c0c520, 0x140001b9400}) github.com/hashicorp/terraform/internal/configs/config_build.go:34 +0x70 github.com/hashicorp/terraform/internal/configs/configload.(*Loader).loadConfig(0x140005de000, 0x140005e7b00, {0x0, 0x0, 0x0}) github.com/hashicorp/terraform/internal/configs/configload/loader_load.go:46 +0x13c github.com/hashicorp/terraform/internal/configs/configload.(*Loader).LoadConfigWithTests(0x140005de000, {0x10312d2f8, 0x1}, {0x102a83c65, 0x5}) github.com/hashicorp/terraform/internal/configs/configload/loader_load.go:32 +0x120 github.com/hashicorp/terraform/internal/command.(*Meta).loadConfigWithTests(0x14000502a80, {0x140005da050?, 0x1400059f858?}, {0x102a83c65, 0x5}) github.com/hashicorp/terraform/internal/command/meta_config.go:68 +0x9c github.com/hashicorp/terraform/internal/command.(*ValidateCommand).validate(0x14000502a80, {0x140005da050?, 0x0?}) github.com/hashicorp/terraform/internal/command/validate.go:82 +0x4c github.com/hashicorp/terraform/internal/command.(*ValidateCommand).Run(0x14000502a80, {0x140000700f0, 0x0, 0x0}) github.com/hashicorp/terraform/internal/command/validate.go:60 +0x3b4 github.com/hashicorp/cli.(*CLI).Run(0x140005ba280) github.com/hashicorp/cli@v1.1.7/cli.go:265 +0x420 main.realMain() github.com/hashicorp/terraform/main.go:339 +0x1784 main.main() github.com/hashicorp/terraform/main.go:64 +0x1c ``` ### Expected Behavior Should have validated. ### Actual Behavior !!!!!!!!!!!!!!!!!!!!!!!!!!! TERRAFORM CRASH !!!!!!!!!!!!!!!!!!!!!!!!!!!! Terraform crashed! This is always indicative of a bug within Terraform. Please report the crash with Terraform[1] so that we can fix this. When reporting bugs, please include your terraform version, the stack trace shown below, and any additional information which may help replicate the issue. [1]: https://github.com/hashicorp/terraform/issues !!!!!!!!!!!!!!!!!!!!!!!!!!! TERRAFORM CRASH !!!!!!!!!!!!!!!!!!!!!!!!!!!! panic: unexpected lifecycle sub-block type "action_trigger" goroutine 1 [running]: runtime/debug.Stack() runtime/debug/stack.go:26 +0x64 github.com/hashicorp/terraform/internal/logging.PanicHandler() github.com/hashicorp/terraform/internal/logging/panic.go:84 +0x16c panic({0x103bbcda0?, 0x1400036d5b0?}) runtime/panic.go:783 +0x120 github.com/hashicorp/terraform/internal/configs.decodeDataBlock(0x14000631d40, 0x0, 0x0) github.com/hashicorp/terraform/internal/configs/resource.go:691 +0x1864 github.com/hashicorp/terraform/internal/configs.parseConfigFile({0x104452070, 0x1400089b340}, {0x0, 0x0, 0x0}, 0x0, 0x0) github.com/hashicorp/terraform/internal/configs/parser_config.go:219 +0x2f0 github.com/hashicorp/terraform/internal/configs.(*Parser).loadConfigFile(0x140004ed240, {0x1400029c7b0?, 0x0?}, 0x0) github.com/hashicorp/terraform/internal/configs/parser_config.go:84 +0x3c github.com/hashicorp/terraform/internal/configs.(*Parser).LoadConfigFile(...) github.com/hashicorp/terraform/internal/configs/parser_config.go:25 github.com/hashicorp/terraform/internal/configs.(*Parser).loadFiles(0x140004ed240, {0x140006f2040?, 0x19?, 0x0?}, 0x0) github.com/hashicorp/terraform/internal/configs/parser_config_dir.go:171 +0xd4 github.com/hashicorp/terraform/internal/configs.(*Parser).LoadConfigDir(0x140004ed240, {0x14000074480, 0x19}, {0x0?, 0x1?, 0x6ff762?}) github.com/hashicorp/terraform/internal/configs/parser_config_dir.go:54 +0xcc github.com/hashicorp/terraform/internal/configs/configload.(*Loader).moduleWalkerLoad(0x140000a4240, 0x14000a18000) github.com/hashicorp/terraform/internal/configs/configload/loader_load.go:120 +0x3d8 github.com/hashicorp/terraform/internal/configs.ModuleWalkerFunc.LoadModule(0x14000886d88?, 0x100ac10ec?) github.com/hashicorp/terraform/internal/configs/config_build.go:298 +0x28 github.com/hashicorp/terraform/internal/configs.loadModule(0x14000745340, 0x14000a18000, {0x10440c4a0, 0x140003df7e0}) github.com/hashicorp/terraform/internal/configs/config_build.go:190 +0x3c github.com/hashicorp/terraform/internal/configs.buildChildModules(0x14000a10000, {0x10440c4a0, 0x140003df7e0}) github.com/hashicorp/terraform/internal/configs/config_build.go:173 +0x32c github.com/hashicorp/terraform/internal/configs.loadModule(0x14000745340, 0x14000715c20, {0x10440c4a0, 0x140003df7e0}) github.com/hashicorp/terraform/internal/configs/config_build.go:210 +0x204 github.com/hashicorp/terraform/internal/configs.buildChildModules(0x14000745340, {0x10440c4a0, 0x140003df7e0}) github.com/hashicorp/terraform/internal/configs/config_build.go:173 +0x32c github.com/hashicorp/terraform/internal/configs.BuildConfig(0x14000715b00, {0x10440c4a0, 0x140003df7e0}, {0x10440c520, 0x140003df7f0}) github.com/hashicorp/terraform/internal/configs/config_build.go:34 +0x70 github.com/hashicorp/terraform/internal/configs/configload.(*Loader).loadConfig(0x140000a4240, 0x14000715b00, {0x0, 0x0, 0x0}) github.com/hashicorp/terraform/internal/configs/configload/loader_load.go:46 +0x13c github.com/hashicorp/terraform/internal/configs/configload.(*Loader).LoadConfigWithTests(0x140000a4240, {0x10392d2f8, 0x1}, {0x103283c65, 0x5}) github.com/hashicorp/terraform/internal/configs/configload/loader_load.go:32 +0x120 github.com/hashicorp/terraform/internal/command.(*Meta).loadConfigWithTests(0x14000427340, {0x1400070a050?, 0x140004e9858?}, {0x103283c65, 0x5}) github.com/hashicorp/terraform/internal/command/meta_config.go:68 +0x9c github.com/hashicorp/terraform/internal/command.(*ValidateCommand).validate(0x14000427340, {0x1400070a050?, 0x0?}) github.com/hashicorp/terraform/internal/command/validate.go:82 +0x4c github.com/hashicorp/terraform/internal/command.(*ValidateCommand).Run(0x14000427340, {0x140000700f0, 0x0, 0x0}) github.com/hashicorp/terraform/internal/command/validate.go:60 +0x3b4 github.com/hashicorp/cli.(*CLI).Run(0x140004f2280) github.com/hashicorp/cli@v1.1.7/cli.go:265 +0x420 main.realMain() github.com/hashicorp/terraform/main.go:339 +0x1784 main.main() github.com/hashicorp/terraform/main.go:64 +0x1c ### Steps to Reproduce 1. `terraform validate` ### Additional Context When the action has any arguments, a crash occurs. With no arguments, validation succeeds. ### References _No response_ ### Generative AI / LLM assisted development? _No response_