Hi, trying to change a product from workstation to server

 

upon saving it throws this error

 

FAILURE :Error while saving the Product details. : Cannot delete or update a parent row: a foreign key constraint fails Please report the problem to the system administrator. Support file will have the error trace to analyze the problem and which can be created at Support -> Create Support File.

 

this happens for anything i try to change from workstaion to server

 

please advise thanks so much