04-12 12:09:27.789 16299-16299/? E/SQLiteLog: (1) no such table: tb_user
04-12 12:09:27.794 16299-16299/? E/SQLiteDatabase: Error inserting email=t password=t nip=t username=t nama=t
                                                   android.database.sqlite.SQLiteException: no such table: tb_user (code 1): , while compiling: INSERT INTO tb_user(email,password,nip,username,nama) VALUES (?,?,?,?,?)
                                                       at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
                                                       at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:889)
                                                       at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:500)
                                                       at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
                                                       at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
                                                       at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31)
                                                       at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1470)
                                                       at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1343)
                                                       at com.example.ibtb.bmkg.database.DatabaseHelper.insertUser(DatabaseHelper.java:73)
                                                       at com.example.ibtb.bmkg.SignUp$1.onClick(SignUp.java:68)
                                                       at android.view.View.performClick(View.java:5619)
                                                       at android.view.View$PerformClick.run(View.java:22295)
                                                       at android.os.Handler.handleCallback(Handler.java:754)
                                                       at android.os.Handler.dispatchMessage(Handler.java:95)
                                                       at android.os.Looper.loop(Looper.java:163)
                                                       at android.app.ActivityThread.main(ActivityThread.java:6342)
                                                       at java.lang.reflect.Method.invoke(Native Method)
                                                       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:880)
                                                       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:770)

> please help me, how to fix this? thx before