Error while inserting empty NOT NULL string

[SloNN]

Executing test in main version

        self.query(
            f"""
            CREATE TABLE `{table_name}` (
                id Int64 NOT NULL,
                value Utf8 NOT NULL,
                PRIMARY KEY (id)
            )
            PARTITION BY HASH(id)
            WITH(STORE=COLUMN)
            """
        )

        # Insert multiple rows
        for i in range(100):
            self.query(
                f"""
                UPSERT INTO `{table_name}` (id, value) VALUES ({i}, '');
                """
            )

But receives an error

E   ydb.issues.BadRequest: message: "Bad request. Table `/Root/insert_table_test_inserts.py.TestYdbInsertsOperations.test_insert_multiple_empty_rows_multiple`. { <main>: Fatal: cannot prepare incoming batch: empty field for non-default column: \'value\' }" issues { message: "cannot prepare incoming batch: empty field for non-default column: \'value\'" } (server_code: 400010)