saving changes is not permitted because the changes you have made require the listed

[mina2011]

سلام
وقتی در microsoft sql server management studio می خوام یک دیاگرام را که تغییر دادم ذخیره کنم با خطای زیر روبرو میشم
saving changes is not permitted because the changes you have made require the listed tables to be dropped and re-created
چطور می تونم درستش کنم؟

[nimadrayaneh]

این خطا منو 2 روز الاف کرد

o change this option, on the Tools menu, click Options, expand Designers, and then click Table and Database Designers. Select or clear the Prevent saving changes that require the table to be re-created check box.