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21

Errors occurred during installation:

  • A database error has occurred: SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint (SQL: alter table submission_files add constraint submission_files_file_id_foreign foreign key (file_id) references files (file_id))
22

Sir when i try to upgrade my website, showed this error

23

Hello Sir, can you please tell me how can I integrate PKP OJS into my framework or website ? I am not being able to find any material online, some help from you will be appreciated.

24

Hello @sujit_jaunjal,

Please create a separate post for questions that are not on the same topic as a forum post, as it clutters the forum and creates confusion.

-Roger
PKP Team

25

This sounds like you are not using InnoDB database tables, which are required when using MySQL in OJS 3.3. You’ll need to convert them. You’ll also need to make sure the MySQL user you are using has REFERENCES privilege.

Best,
Jason