Prevent event using custom plugin

GrapesJS version

• I confirm to use the latest version of GrapesJS

What browser are you using?

chrome latest

Reproducible demo link

there is not demo

Describe the bug

I want to prevent event but i can't i tried this and how to prevent store event please help

    editor.off('asset:upload:error');
    editor.on('asset:upload:error', function (e) {
        // e.preventDefault();
        console.log(e);
    })

Code of Conduct

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