PROBLEM SOLVED
Fresh installation in cPanel by Softacullous 3.3.0.4
What concerns to the database, I have followed migrated 3.2.1.4 to 3.3.0.4
- In old database I have changed the tables and content collation from utf8_unicode_ci to utf8_general_ci
- ALTER TABLE submission_files ENGINE = InnoDB;
- using terminal: php -d memory_limit=800M ./tools/upgrade.php upgrade
Thank you for help and support.