Duplicate Callback error - again

[Emil]

You could try out the Multiplexer transform,

Multiple callbacks for an output

From version 0.0.47, a new MultiplexerTransform is included in dash-extensions. It makes it possible to target an output by multiple callbacks (which is otherwise problematic in Dash) with nearly zero code changes, import dash_html_components as html from dash_extensions.enrich import Output, DashProxy, Input, MultiplexerTransform app = DashProxy(prevent_initial_callbacks=True, transforms=[MultiplexerTransform()]) app.layout = html.Div([html.Button("left", id="left"), html.Button("right", id="…