Advice needed: Upgrading OJS 3.2.1-4 to 3.3.0-7

[kunalojs]

I upgrade 3.2.1-4 to 3.3.0.x then error occured :-

Errors occurred during installation:
• A database error has occurred: SQLSTATE[01000]: Warning: 1265 Data truncated for column ‘assoc_id’ at row 1 (SQL: ALTER TABLE email_log CHANGE assoc_type assoc_type BIGINT NOT NULL, CHANGE assoc_id assoc_id BIGINT NOT NULL).

Required any change in database setting?

see and verify the blow link:-

Solution updating ojs 3.2.1-4 to ojs 3.3.0-7

Description of the problem or problem I have: There was a major problem updating my journals from OJS 3.2.1-4 to OJS 3.3.0-7 and it took me several weeks to update successfully. Steps I took before the problem: 1.- In all the Journals it was impossible to achieve an update to to version 3.3.x (3.3.0, 3.3.0-3, 3.3.0-4,3.3.0-5,3.3.0-6, 3.3.0-7). 2.- I followed all the advice on the forum but could not find the solution. In all cases I was omitting to change my default database engine (MyISAM)…