Custom List entity using REUSE mode in sap MDG-S?

We person request to adhd Custom database entity utilizing Reuse mode successful MDG-S. we person the information mode extensions, genil Extensions and SMT mapping and brought Custom ENTITY successful MDG UI. 

Issue is : - erstwhile we entered the information wrong the customized entity UIBB. erstwhile Change petition is Activated past information which we entered successful the UIBB is getting Vanished and not getting updated successful the Custom database table.

Kindly Help with Solution and Links.

Thanks successful Advance

best Answer volition beryllium Rewarded.