@ -478,7 +478,7 @@ define([
// Remove marks that are placed under this one
try {
Env.editor.findMarks(from, to).forEach(function (mark) {
if (mark.attributes['data-type'] !== 'authormark') { return; }
if (!mark || !mark.attributes || mark.attributes['data-type'] !== 'authormark') { return; }
mark.clear();
});
} catch (e) {