OpenBMB/ChatDev · error · ValueError

Unsupported node type: {node.type}

Error message

Unsupported node type: {node.type}

What it means

Error "Unsupported node type: {node.type}" thrown in OpenBMB/ChatDev.

Source

Thrown at workflow/graph.py:667

                    log_manager=self.log_manager,
                )
                pseudo_link.condition_manager = build_edge_condition_manager(pseudo_condition, pseudo_context, self._get_execution_context())
                pseudo_link.condition = pseudo_condition.display_label()
                pseudo_link.condition_type = pseudo_condition.type
                for output_msg in output_messages:
                    self._process_edge_output(pseudo_link, output_msg, node)

    def _process_result(self, node: Node, input_payload: List[Message]) -> List[Message]:
        """Process a single input result using strategy pattern executors.

        This method delegates to specific node executors based on node type.
        Returns a list of messages (maybe empty if node suppresses output).
        """
        if not self.node_executors:
            raise RuntimeError("Node executors not initialized. Call _build_memories_and_thinking() first.")
        
        if node.type not in self.node_executors:
            raise ValueError(f"Unsupported node type: {node.type}")
        
        executor = self.node_executors[node.type]
        hook = self.runtime_context.workspace_hook
        workspace = self.runtime_context.code_workspace
        if hook:
            try:
                hook.before_node(node, workspace)
            except Exception:
                self.log_manager.warning("workspace hook before_node failed for %s", node.id)
        success = False
        try:
            result = executor.execute(node, input_payload)
            success = True
            return result
        finally:
            if hook:
                try:
                    hook.after_node(node, workspace, success=success)

View on GitHub (pinned to 4fb2db0ea9)

When it happens

Trigger: Thrown at workflow/graph.py:667 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of OpenBMB/ChatDev@4fb2db0ea9 (2026-08-27). Data as JSON: /api/errors/f21c3c660f3b267c. Report an issue: GitHub.