Errors when upgrading to OJS 3.3.0-7 from OJS 3.1.2-4

Hi
I’m tried to upgrade the OJS from version 3.1.2-4 to 3.3.0-7 and we have always the same problem.

Error

and the error log of php file

[07-Jul-2021 11:35:38 Asia/Aden] SQLSTATE[42S01]: Base table or view already exists: 1050 Table ‘data_object_tombstones’ already exists (SQL: CREATE TABLE data_object_tombstones (
tombstone_id BIGINT NOT NULL AUTO_INCREMENT,
data_object_id BIGINT NOT NULL,
date_deleted DATETIME NOT NULL,
set_spec VARCHAR(255) NOT NULL,
set_name VARCHAR(255) NOT NULL,
oai_identifier VARCHAR(255) NOT NULL,
PRIMARY KEY (tombstone_id)
))

and this my Version history
3.1.2.4
3.1.2.1

  • Application Version - OJS 3.1.2-4
  • Server Information
    PHP version 7.3.23
    Apache version LiteSpeed
    Database driver mysqli
    Database server version 10.4.19-MariaDB-cll-lve

Hi @swite2331

Given that OJS 3.1 and 3.3 have some critical differences, e.g.: 3.3 only runs under PHP 7, I would recommend you to upgrade to OJS 3.2 first.
Then, afterwards, upgrade to OJS 3.3. It can ensure that every patch and schema is being applied to your database.

Best,
Israel