eror code when created handrail, tower ladder and ladder

thanks for your information, Mr corado, yes i use PDMS 12 ..can u tell to me , the steps to include that databases to MDB, couse i am new here, before i use pdms 11.6 there is'n problem for creating stair

thanks for your information, Mr corado, yes i use PDMS 12 ..can u tell to me , the steps to include that databases to MDB, couse i am new here, before i use pdms 11.6 there is'n problem for creating stair