Logcat

2021-05-24 12:50:21.103 28236-28289/harshbarash.github.moneta E/SQLiteLog: (1) no such column: magnet
2021-05-24 12:50:21.105 28236-28289/harshbarash.github.moneta E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1
    Process: harshbarash.github.moneta, PID: 28236
    java.lang.RuntimeException: An error occurred while executing doInBackground()
        at android.os.AsyncTask$4.done(AsyncTask.java:399)
        at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
        at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
        at java.util.concurrent.FutureTask.run(FutureTask.java:271)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.lang.Thread.run(Thread.java:919)
     Caused by: android.database.sqlite.SQLiteException: no such column: magnet (code 1 SQLITE_ERROR): , while compiling: SELECT _id, nominal, condition, magnet, stamp, kant, gurt, year, price, description FROM mycoins
        at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
        at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:986)
        at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:593)
        at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:590)
        at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:61)
        at android.database.sqlite.SQLiteQuery.<init>(SQLiteQuery.java:37)
        at android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:46)
        at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1443)
        at android.database.sqlite.SQLiteDatabase.queryWithFactory(SQLiteDatabase.java:1290)
        at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1161)
        at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1329)
        at harshbarash.github.moneta.Provider.query(Provider.java:41)
        at android.content.ContentProvider.query(ContentProvider.java:1214)
        at android.content.ContentProvider.query(ContentProvider.java:1307)
        at android.content.ContentProvider$Transport.query(ContentProvider.java:267)
        at android.content.ContentResolver.query(ContentResolver.java:944)
        at android.content.ContentResolver.query(ContentResolver.java:880)
        at android.content.CursorLoader.loadInBackground(CursorLoader.java:71)
        at android.content.CursorLoader.loadInBackground(CursorLoader.java:46)
        at android.content.AsyncTaskLoader.onLoadInBackground(AsyncTaskLoader.java:321)
        at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:74)
        at android.content.AsyncTaskLoader$LoadTask.doInBackground(AsyncTaskLoader.java:62)
        at android.os.AsyncTask$3.call(AsyncTask.java:378)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.lang.Thread.run(Thread.java:919)