Error codes

Every MARKLESS_ code that Markless can print, grouped by the package that raises it.

Every Markless error starts with MARKLESS_ and links to its page here. Find your code below, or search for it.

This list has 271 codes. 38 of them have a written fix. The rest show the message and the source file.

Read how to read a Markless error first if the format is new to you.

@markless/compiler

Code	Kind	Guide
`MARKLESS_ALLOW_ERROR_UNSUPPRESSIBLE`	compile warning	yes
`MARKLESS_ALLOW_REASON_REQUIRED`	compile warning	yes
`MARKLESS_ALLOW_STALE`	compile warning	yes
`MARKLESS_ARTIFACT_CHILD_PROP_NOT_BUILD_KNOWN`	compile error
`MARKLESS_ARTIFACT_CHILD_RENDER_INVALID`	compile error
`MARKLESS_ASYNC_ARM_RENDER_UNSUPPORTED`	compile warning
`MARKLESS_ASYNC_BOUNDARY_REQUIRED`	compile error	yes
`MARKLESS_ASYNC_POST_AWAIT_READ`	compile error	yes
`MARKLESS_ATTACH_HOST_ELEMENT_REQUIRED`	compile error
`MARKLESS_ATTRIBUTE_DUPLICATE`	compile error
`MARKLESS_ATTRIBUTE_OBJECT_VALUE`	compile warning
`MARKLESS_BARE_ARM_INTERPOLATION`	compile error
`MARKLESS_BEHAVIOR_SYMBOL_EMIT_UNSUPPORTED`	compile error
`MARKLESS_BRANCH_ARM_UPDATE_UNSUPPORTED`	compile warning
`MARKLESS_BRANCH_ELSE_SPELLING`	compile error	yes
`MARKLESS_CALLBACK_PROP_ARITY_UNSUPPORTED`	compile error
`MARKLESS_CALLBACK_SLOT_SOURCE_UNSUPPORTED`	compile error
`MARKLESS_CALLBACK_SLOT_UNBOUND`	compile warning
`MARKLESS_CAPTURE_METADATA_MISSING`	compile error
`MARKLESS_CAPTURE_OPAQUE_PROP`	compile error
`MARKLESS_CAPTURE_SLOT_UNBINDABLE`	build error
`MARKLESS_CAPTURE_UNSUPPORTED_VALUE`	compile error
`MARKLESS_CHILDREN_OPAQUE`	compile error	yes
`MARKLESS_COMPILER_PASS_GRAPH_INVALID`	build error
`MARKLESS_COMPONENT_BARREL_UNRESOLVED`	compile error
`MARKLESS_COMPONENT_PROP_EXPRESSION_UNSUPPORTED`	compile error
`MARKLESS_COMPONENT_ROOT_CONDITIONAL`	compile error	yes
`MARKLESS_COMPONENT_SPREAD_UNSUPPORTED`	compile error
`MARKLESS_COMPONENT_TAG_UNRESOLVED`	compile error
`MARKLESS_COMPOSED_GRAPH_NODE_UNCLASSIFIED`	build error
`MARKLESS_COMPUTED_DEPENDENCY_CYCLE`	compile error	yes
`MARKLESS_COMPUTED_READ_CALLED`	compile error	yes
`MARKLESS_COMPUTED_READS_RENDER_LOCAL`	compile error
`MARKLESS_COMPUTED_ROW_WRITE`	compile error
`MARKLESS_CSS_ANCHOR_ATTRIBUTE`	compile error
`MARKLESS_DELEGATE_ARTIFACT_MISSING`	compile info
`MARKLESS_ELEMENT_GUARD_RETURN_UNSUPPORTED`	compile error
`MARKLESS_ELEMENT_HANDLE_DUPLICATE`	compile error
`MARKLESS_ELEMENT_HANDLE_IDREF_COMPOSITE`	compile error
`MARKLESS_ELEMENT_HANDLE_IDREF_ID_CONFLICT`	compile error
`MARKLESS_ELEMENT_HANDLE_IDREF_ROW_OWNED`	compile error
`MARKLESS_ELEMENT_HANDLE_IDREF_UNBOUND`	compile error
`MARKLESS_ELEMENT_HANDLE_IDREF_WIDGET_ROOT`	compile error
`MARKLESS_ELEMENT_HANDLE_PLURAL_IDREF`	compile error
`MARKLESS_ELEMENT_HANDLE_PROP_UNSUPPORTED`	compile error
`MARKLESS_ELEMENT_HANDLE_RENDER_READ`	compile error	yes
`MARKLESS_ELEMENT_HANDLE_REQUIRED`	compile error	yes
`MARKLESS_ELEMENT_HANDLE_UNBOUND`	compile error or warning
`MARKLESS_ELEMENT_HANDLE_WIDGET_INSTANCE_MISSING`	build error
`MARKLESS_ELEMENT_MODULE_SCOPE`	compile error
`MARKLESS_EMIT_CODEGEN_FAILED`	build error
`MARKLESS_EMIT_NONDETERMINISTIC`	build error
`MARKLESS_EMIT_SOURCE_MAP_MISSING`	build error
`MARKLESS_EMIT_TSRX_NODE_UNSUPPORTED`	build error
`MARKLESS_EVENT_HANDLER_EMIT_UNSUPPORTED`	compile error	yes
`MARKLESS_EVENT_HANDLER_NOT_A_FUNCTION`	compile error	yes
`MARKLESS_EVENT_SPREAD_UNSUPPORTED`	compile error
`MARKLESS_FRAMEWORK_API_ALIAS_UNSUPPORTED`	compile error	yes
`MARKLESS_FRAMEWORK_IMPORT_REQUIRED`	compile error	yes
`MARKLESS_HANDLER_READS_RENDER_LOCAL`	compile error	yes
`MARKLESS_IMPORTED_SYMBOL_CLAIMS_MISSING`	compile error
`MARKLESS_KEYED_REPEAT_ROW_MINT_UNSUPPORTED`	compile warning
`MARKLESS_MODULE_INSTANCE_DIVERGENT_HANDLERS`	compile error
`MARKLESS_OVERLAY_HOST_ELEMENT_REQUIRED`	compile error
`MARKLESS_OVERLAY_VALUE_UNSUPPORTED`	compile error
`MARKLESS_PARSE_ERROR`	compile error	yes
`MARKLESS_PRERENDER_WAKE_RESOLVER_MISSING`	compile error
`MARKLESS_PROJECTED_REPEAT_HOLE_REPEATED`	compile error
`MARKLESS_PUBLIC_RENDER_GATE_PLAN_DISAGREEMENT`	compile error
`MARKLESS_PUBLIC_RENDER_ROOT_UNSUPPORTED`	compile error or warning
`MARKLESS_PUBLIC_RENDER_UNSUPPORTED_CONSTRUCT`	compile warning
`MARKLESS_RENDER_BODY_UNSUPPORTED`	compile error
`MARKLESS_RENDER_DATA_STYLE_UNLINKED`	compile error
`MARKLESS_REPEAT_BINDING_NAME_CONFLICT`	compile error
`MARKLESS_REPEAT_COLLECTION_UNREADABLE`	compile error
`MARKLESS_REPEAT_KEY_IS_INDEX`	compile warning	yes
`MARKLESS_REPEAT_KEY_REQUIRED`	compile error	yes
`MARKLESS_REPEAT_KEY_UNSTABLE`	compile error
`MARKLESS_REPEAT_ROW_HANDLERS_UNWIRED`	compile error
`MARKLESS_REPEAT_ROWS_FROZEN`	compile error
`MARKLESS_RESOLVER_CLAIMS_DIVERGED`	compile error
`MARKLESS_ROSTER_COUNT_NOT_A_NUMBER`	compile error
`MARKLESS_ROUTE_ARTIFACT_REGISTERED_LATE`	compile error
`MARKLESS_ROW_ELEMENT_HANDLE_UNSUPPORTED`	compile error
`MARKLESS_SEED_CHILDREN_UNAVAILABLE`	compile error
`MARKLESS_SERVER_DERIVE_UNREACHABLE`	compile error
`MARKLESS_SHARED_CALL_UNBOUND`	compile error
`MARKLESS_SHARED_CALL_UNRESOLVED`	compile error
`MARKLESS_SHARED_COMPUTED_CROSS_MODULE`	compile error
`MARKLESS_SHARED_DEFINITION_CYCLE`	compile error
`MARKLESS_SHARED_FACTORY_CLASS_INSTANCE`	compile error
`MARKLESS_SHARED_FAMILY_SCOPE_IMPLICIT`	compile warning	yes
`MARKLESS_SHARED_INSTANCE_EXPORTED_FUNCTION`	compile error
`MARKLESS_SHARED_MEMBER_UNKNOWN`	compile error
`MARKLESS_SHARED_METHOD_CROSS_MODULE`	compile error
`MARKLESS_SHARED_RETURN_UNNAMED`	compile error
`MARKLESS_SHARED_SCOPE_INVALID`	compile error
`MARKLESS_SHARED_SEED_UNKNOWN_FIELD`	compile error
`MARKLESS_SHARED_SEED_UNRESOLVED_VALUE`	compile error
`MARKLESS_SHARED_SEED_UNSUPPORTED`	compile error
`MARKLESS_SOURCE_SYMBOL_CLAIMS_DIVERGED`	compile error
`MARKLESS_SPREAD_STATIC_SNAPSHOT`	compile warning
`MARKLESS_SSR_DATA_BOUNDARY_MISSING`	build error
`MARKLESS_SSR_DATA_BRANCH_MISSING`	build error
`MARKLESS_SSR_DATA_CHILD_MISSING`	build error
`MARKLESS_SSR_DATA_CHILD_RENDER_MISSING`	build error
`MARKLESS_SSR_DATA_REPEAT_MISSING`	build error
`MARKLESS_SSR_DATA_RESIDUE_MISSING`	build error
`MARKLESS_SSR_ROSTER_COUNT_UNANSWERED`	build error
`MARKLESS_SSR_ROSTER_POSITION_UNANSWERED`	build error
`MARKLESS_SSR_STRIP_FAILED`	build error
`MARKLESS_STATE_CONST_REASSIGNMENT`	compile error	yes
`MARKLESS_STATE_CREATION_SITE_UNSTABLE`	compile error	yes
`MARKLESS_STATE_CROSS_MODULE_IMPORT`	compile error
`MARKLESS_STATE_DESTRUCTURE_DEFAULT_UNSUPPORTED`	compile error
`MARKLESS_STATE_DYNAMIC_PATH_READ`	compile error
`MARKLESS_STATE_DYNAMIC_PATH_WRITE`	compile error
`MARKLESS_STATE_ELEMENT_HANDLE_UNSERIALIZABLE`	compile error
`MARKLESS_STATE_HELPER_RETURN_UNSUPPORTED`	compile error
`MARKLESS_STATE_MODULE_ESCAPE`	compile error
`MARKLESS_STATE_MODULE_SCOPE`	compile error	yes
`MARKLESS_STATE_NESTED_CREATION`	compile error	yes
`MARKLESS_STATE_OPTIONAL_CHAIN_WRITE`	compile error	yes
`MARKLESS_STATE_PROPERTY_CLASS_INSTANCE`	compile error
`MARKLESS_STATE_READ_ONLY_WRITE`	compile error	yes
`MARKLESS_STATE_REPEAT_ROW_SCOPE_UNSUPPORTED`	compile error
`MARKLESS_STATE_REST_ALIAS_EXCLUDED_PATH`	compile error
`MARKLESS_STATE_STALE_LOCAL_WRITE`	compile error	yes
`MARKLESS_STATE_UNRESOLVED_WRITE`	compile warning
`MARKLESS_STATE_WRITE_IN_COMPUTED`	compile error	yes
`MARKLESS_STATE_WRITE_IN_TEMPLATE`	compile error	yes
`MARKLESS_STORAGE_KEY_STATIC`	compile error	yes
`MARKLESS_STYLE_OBJECT_UNSUPPORTED`	compile error
`MARKLESS_SUBMODULE_UNSUPPORTED`	compile error
`MARKLESS_SYMBOL_MODULE_UNRESOLVED_GRAPH_REFERENCE`	compile error
`MARKLESS_SYMBOL_UNKNOWN`	build error
`MARKLESS_SYNC_POLICY_SECOND_CANCEL`	compile error
`MARKLESS_SYNC_POLICY_UNEXTRACTABLE`	compile error
`MARKLESS_TEMPLATE_AS_VALUE`	compile error	yes
`MARKLESS_TEMPLATE_EXPRESSION_STATIC`	compile warning	yes
`MARKLESS_TEMPLATE_EXPRESSION_UNSUPPORTED`	compile error
`MARKLESS_TEMPLATE_READ_UNDECLARED`	compile error
`MARKLESS_TRY_BLOCK_TOGGLE_RERENDER`	compile warning	yes
`MARKLESS_UI_IMPORT_SHAPE`	compile error

@markless/core

Code	Kind	Guide
`MARKLESS_FRAMEWORK_API_RUNTIME_CALL`	runtime error	yes

@markless/bundler

Code	Kind	Guide
`MARKLESS_CHILD_SYMBOL_MISSING`	build error
`MARKLESS_COMPILE_BLOCKED`	build error	yes
`MARKLESS_COMPONENT_EXPORT_NAME_RESERVED`	build error
`MARKLESS_CSR_ROOT_DECLARATION_MISSING`	build error
`MARKLESS_DEBUG_DEFINE_CONFLICT`	build error
`MARKLESS_DEPRECATED_OPTION`	build warning
`MARKLESS_DEV_DEFINE_CONFLICT`	build error
`MARKLESS_DEV_MODULE_RUNNER_UNAVAILABLE`	build error
`MARKLESS_DEV_PRERENDER_ENVIRONMENT_MISSING`	build error
`MARKLESS_DEV_RUNTIME_ERROR`	build error
`MARKLESS_IMPORTED_SYMBOL_CLAIMS_UNREADY`	build error
`MARKLESS_INLINE_RESUMER_MINIFY_FAILED`	build error
`MARKLESS_INLINE_RESUMER_TRANSFORM_FAILED`	build error
`MARKLESS_PRERENDER_CONTAINER_MISSING`	build error
`MARKLESS_PRERENDER_ENTRY_MISSING`	build error
`MARKLESS_PRERENDER_INLINE_RESUMER_EVENT_NAMES_TOKEN_LOST`	build error
`MARKLESS_PRERENDER_INLINE_RESUMER_EVENT_NAMES_UNPLACEABLE`	build error
`MARKLESS_PRERENDER_RENDER_DATA_MISSING`	build error
`MARKLESS_PRERENDER_WAKE_ROUTE_INELIGIBLE`	build error
`MARKLESS_RENDER_DATA_READER_SPECIFIER_UNRESOLVABLE`	build error
`MARKLESS_RESOLVER_UNPUBLISHED`	build error
`MARKLESS_RESUME_DISPATCH_EXPORT_MISSING`	build error
`MARKLESS_SCALAR_SPECIALIZED_FALLBACK`	build warning
`MARKLESS_SCALAR_SPECIALIZED_HOST_MISS`	build error
`MARKLESS_SHARED_CALL_UNCOMPILED`	build error
`MARKLESS_SHARED_EXPORT_NAME_RESERVED`	build error
`MARKLESS_SOURCE_SYMBOL_CLAIMS_FINAL_WITHOUT_START`	build error
`MARKLESS_SOURCE_SYMBOL_CLAIMS_UNSEALED`	build error
`MARKLESS_STORAGE_SEED_FALLBACK_MISSING`	build error
`MARKLESS_SYMBOL_UNPUBLISHED`	build error
`MARKLESS_TYPE_STRIP_FAILED`	build error

@markless/router

Code	Kind	Guide
`MARKLESS_MDX_RENDER_DATA_CHILD_MISSING`	runtime error
`MARKLESS_MDX_RENDER_DATA_ROOT_MISSING`	runtime error
`MARKLESS_ROUTER_DOCUMENT_STORAGE_UNSUPPORTED`	runtime error
`MARKLESS_ROUTER_FRAGMENT_MINIFY_FAILED`	build error
`MARKLESS_ROUTER_FRAGMENT_OFF_ORIGIN`	build error
`MARKLESS_ROUTER_FRAGMENT_UNAVAILABLE`	build error
`MARKLESS_ROUTER_RENDER_DATA_MISSING`	runtime error
`MARKLESS_ROUTER_UNKNOWN_HASH_ROUTE`	runtime error
`MARKLESS_SCALAR_PLAN_MISMATCH`	runtime error

@markless/web

Code	Kind	Guide
`MARKLESS_ARM_COMMIT_ANCHORS_MISSING`	runtime error
`MARKLESS_ARM_COMMIT_RENDERER_MISSING`	runtime error
`MARKLESS_ASYNC_SETTLE_RECORDS_MISSING`	runtime error
`MARKLESS_ASYNC_SETTLE_SOURCE_AMBIGUOUS`	runtime error
`MARKLESS_BRANCH_ARM_EMPTY`	runtime error
`MARKLESS_CALLBACK_SLOT_UNRESOLVED`	runtime error
`MARKLESS_CANONICAL_CLIENT_ROOT_MISSING`	runtime error
`MARKLESS_CANONICAL_SYMBOL_MISSING`	runtime error
`MARKLESS_COMPONENT_PART_AS_PAGE`	runtime error
`MARKLESS_COMPOSED_DOM_UPDATE_UNMAPPED`	runtime error
`MARKLESS_COMPOSED_READ_UNMAPPED`	runtime error
`MARKLESS_CSR_BEHAVIOR_HOST_MISSING`	runtime error
`MARKLESS_CSR_DELEGATED_TRIGGER_UNMATCHED`	runtime error
`MARKLESS_CSR_DOM_JOURNAL_TARGET_MISSING`	runtime error
`MARKLESS_CSR_GRAPH_NOT_DEMANDED`	runtime error
`MARKLESS_DEBUG_DETAILS_DROPPED`	runtime error
`MARKLESS_DEBUG_EVENT_HOST_MISSING`	runtime error
`MARKLESS_DECIDED_BRANCH_ARM_UNKNOWN`	runtime error
`MARKLESS_DYNAMIC_TAG_INVALID`	runtime error
`MARKLESS_ELEMENT_HANDLE_INSTANCE_AMBIGUOUS`	runtime error
`MARKLESS_EVENT_DISPATCH_UNMATCHED`	runtime error
`MARKLESS_INLINE_RESUMER_DEBUG_SOURCE_REQUIRED`	runtime error
`MARKLESS_LEAN_PAYLOAD_MISSING`	runtime error
`MARKLESS_LINKED_RENDER_DATA_PAYLOAD_ACCESS`	runtime error
`MARKLESS_PRERENDER_BOUNDARY_MISSING`	runtime error
`MARKLESS_PRERENDER_BRANCH_MISSING`	runtime error
`MARKLESS_PRERENDER_CHILD_MISSING`	runtime error
`MARKLESS_PRERENDER_DATA_COMPONENT_MISSING`	runtime error
`MARKLESS_PRERENDER_DATA_ROOT_MISSING`	runtime error
`MARKLESS_PRERENDER_DATA_SYMBOL_MISSING`	runtime error
`MARKLESS_PRERENDER_PROJECTED_PROP_READ`	runtime error
`MARKLESS_PRERENDER_PROP_UNDERIVABLE`	runtime error
`MARKLESS_PRERENDER_RESIDUE_MISSING`	runtime error
`MARKLESS_PROJECTION_NOT_RENDERED`	runtime error
`MARKLESS_REPEAT_EMPTY_ARM_EMPTY`	runtime error
`MARKLESS_REPEAT_EMPTY_ARM_RENDERER_MISSING`	runtime error
`MARKLESS_REPEAT_KEY_DUPLICATE`	runtime error	yes
`MARKLESS_REPEAT_ROW_COMPONENT_ANCHOR_MISSING`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_EMPTY`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_LOCATOR_MISMATCH`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_LOCATOR_MISSING`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_RENDERER_MISSING`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_SLOT_MISSING`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_SURFACE_MISSING`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_UNSUPPORTED`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_WIDGET_COLLISION`	runtime error
`MARKLESS_REPEAT_ROW_COMPONENT_WIDGET_UNRESOLVED`	runtime error
`MARKLESS_REPEAT_ROW_MINT_EMPTY`	runtime error
`MARKLESS_REPEAT_ROW_MINT_RENDERER_MISSING`	runtime error
`MARKLESS_REPEAT_ROW_SLOT_READER_MISSING`	runtime error
`MARKLESS_RESUME_ALREADY_RESUMED`	runtime warning
`MARKLESS_RESUME_LOCATOR_MISMATCH`	runtime error
`MARKLESS_RESUME_LOCATOR_MISSING`	runtime error
`MARKLESS_RESUME_RECORD_DELTA_PARITY_MISMATCH`	runtime error
`MARKLESS_ROSTER_COUNT_UNRESOLVED`	runtime error
`MARKLESS_ROW_COMPONENT_INTERACTIVE`	runtime error
`MARKLESS_ROW_ITEM_MISSING`	runtime error
`MARKLESS_RUNTIME_ERROR`	runtime error
`MARKLESS_SCALAR_LEAN_ESCALATE`	runtime error
`MARKLESS_SCALAR_SPECIALIZED_ESCALATE`	runtime error
`MARKLESS_SCALAR_WRITE_CELL_MISSING`	runtime error
`MARKLESS_SCALAR_WRITE_GRAPH_MISSING`	runtime error
`MARKLESS_SCALAR_WRITE_SHAPE`	runtime error
`MARKLESS_SETTLE_KERNEL_UNSUPPORTED`	runtime error
`MARKLESS_SETTLE_PLAN_UNSUPPORTED`	runtime error
`MARKLESS_SETTLE_SLOT_UNKNOWN`	runtime error
`MARKLESS_SSR_DATA_ANCHOR_MISSING`	runtime error
`MARKLESS_SSR_DATA_ANCHOR_START_MISSING`	runtime error
`MARKLESS_SSR_DATA_BRANCH_SELECTOR_MISSING`	runtime error
`MARKLESS_SSR_DATA_CHILD_RENDERER_MISSING`	runtime error
`MARKLESS_SSR_DATA_CHILD_STRUCTURE_MISSING`	runtime error
`MARKLESS_SSR_DATA_CHUNK_MISSING`	runtime error
`MARKLESS_SSR_DATA_HOST_MISSING`	runtime error
`MARKLESS_SSR_DATA_SERVED_ARM_INVALID`	runtime error
`MARKLESS_STREAM_ARM_ANCHORS_MISSING`	runtime error
`MARKLESS_STREAM_ARM_RENDER_MISSING`	runtime error
`MARKLESS_STREAM_ARM_TEMPLATE_MISSING`	runtime error
`MARKLESS_TEXT_UPDATE_RECORD_MISSING`	runtime error
`MARKLESS_WIDGET_INSTANCE_UNRESOLVED`	runtime error

@markless/serializer

Code	Kind	Guide
`MARKLESS_PAYLOAD_INVALID`	runtime error
`MARKLESS_PROTOCOL_VERSION_MISMATCH`	runtime error
`MARKLESS_RESUME_RECORD_DELTA_DUPLICATE_KEY`	runtime error
`MARKLESS_RESUME_RECORD_DELTA_REMOVAL_UNSUPPORTED`	runtime error
`MARKLESS_RESUME_RECORD_DELTA_VERSION_MISMATCH`	runtime error
`MARKLESS_RESUME_RECORD_DIVERGENCE_UNSERIALIZABLE`	runtime error
`MARKLESS_SERIALIZE_UNSUPPORTED_VALUE`	runtime error	yes