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Help

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  • For AI Agents
  • Fix: Plugin failed to load, module could not be loaded (GetLastError 126)
  • Fix: bridge unreachable, editor not responding
  • Fix: cfa targeted the wrong Unreal editor
  • Fix: the CodeFizz panel does not show Active
  • Fix: plugin version mismatch after an update
DocsHelpFix: cfa targeted the wrong Unreal editor

Fix: cfa targeted the wrong Unreal editor

A command landed in the wrong project because more than one Unreal Editor is open. Use cfa list_editors and cfa connect to pick the editor you mean, and cfa connection_status to confirm which one a command would hit.

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CodeFizz

A drop-in Unreal Engine 5 plugin that exposes the entire editor surface (Blueprints, Materials, Niagara, PCG, StateTree, Control Rig, Insights profiling, and more) over the Model Context Protocol. Connect Claude Code, Cursor, VS Code, or any MCP-compatible client and let your AI build inside the engine.

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A command succeeded but the change landed in the wrong project, or an asset appeared somewhere you did not expect. You have more than one Unreal Editor open and the CLI reached a different one than you meant.

See which editors are running

Every command targets exactly one editor. List them with their project, engine version, port, and process id:

See every running editor:

bash
cfa list_editors

Pick the one you mean

The choice is saved, so it carries across separate terminals until you change it.

Choose the editor for the commands that follow:

bash
cfa connect jiggi

Confirm which editor would be hit right now:

bash
cfa connection_status

Clear the choice and go back to automatic routing:

bash
cfa disconnect

When it routes automatically

With a single editor open, or when your terminal is inside the project folder, routing is automatic and you never need to connect. When the choice is ambiguous the CLI refuses and lists the editors rather than guessing, which is the behaviour that stops a command landing in the wrong project in the first place.

Note
cfa health_check also reports which editor it reached, so you can confirm the target before running anything that writes.
Tip
Full details in Multiple Editors. See also all fixes.