ZBrushCentral

Zremesh. Unable to remesh tool

Error message appears when i try to zremesh. The error says that my tool is unable to be remeshed. It only happens on one particular subtool. The other subtools remesh fine. I needed help g getting the zremesher to work. Thank you

See bottom.
http://docs.pixologic.com/reference-guide/tool/polymesh/geometry/#modify-topology