I have a project using android-java front end and yii2 backend,i load data from android and save to database i get uploaded successful but not syncing ,It shows uploaded in my android app but when i check in backed for the data i get non ,It has so many relation keys,foreign key which i make sure they are all set.What might be the issue ,The data record is in staging db.So I tried to check my apis action and if i try to load the data(post) using postman in my localhost the data is being displayed