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When using the select 'fuel_other_items' in admin pages to navigate, there is a superfluous '/' added in front of the module name on the url redirect. Line 14 of BaseFuelController.js seems to be the problem:
this.modulePath = jqx.config.fuelPath + '/' + this.module;
While this affects the url for editing, modulePath may be used in other places where that isn't an issue.