1995 timeshare at sun palace worldwide travel change name to palacepremier

In 1995 I bought 102 weeks for 28’00’00 in 2001 we bought 30 weeks more’for $7’778; now they only have records of 2001 my 102 weeks the have no records’ what can I do ? I spoke to the salesman at palace elite no idea on what to do can anyone help me