I have Express tools loaded but a few tools will not work. When I try to unisolate a layer I ge the following error - bad argument type: consp it also says that it cannot find the get layer states bns in the lman.lsp file. I have copied the lman.lsp file from a station that has no problems w/ express tools. I have also tried to reinstall express tools many times. I have finally run out of ideas. any help would be greatly appreciated. pcoil