Contract custom fields header data is not getting Saved(SRM7.02)

Hi Experts,

I have created a custom tab on the Header screen of SRM contract and that tab has 10 custom fields..Also, meta data custom fields properly binded to the custom webdynpro screen..But the problem here is when the data is filled on the custom tab screen and press SAVE button, after reopening the contract the custom field values are getting disappered. Version SRM7.02

Thanks for quick response..

Thanks,

Krishna.