PDOException (Unknown column 'url' in 'field list') when upgrading to OJS 3.3.0.6

[israel.cefrin]

Hi @luca.g

This user had the same issue you are finding while upgrading. Please, have a look at the procedures he ran to upgrade successfully their OJS:

Problem with upgrading to OJS 3.3.0.3

Hello, thank you. I have used: php -d memory_limit=800M tools/upgrade.php upgrade ERROR: Upgrade failed: DB: SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint (SQL: alter table submission_file_revisions add constraint submission_file_revisions_submission_file_id_foreign foreign key (submission_file_id) references submission_files (submission_file_id)) OK after this message I reed the forum and found it should be an issue due to the MyISAM format of the tables, there should…

Best,
Israel Cefrin
PKP Team