Product Description disappeared

SUGGESTED

In Sage X3, PU9, Common data Module>Products>Products(GESITM)

whenever I create a new product or modify the existing product, the data in description 2 and description 3 disappeared. ironically, the previous data in the same field for certain products still exist, but new data is not available after saving the record. 

Need urgent help.

Regards!

Usman Khan