OJS upgrade issues (2.4.6.0 -->3.0.2.0)

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  1. Following instruction here

Article Not Displaying

and also issued command

chown -Rf www-data:www-data cache/

this resolved

failed to open stream: Permission denied

  1. following instruction here

Problem upgrading database 2.3.7.0 to 3.0 - #8 by pir

I had a typo utf-8 it should be utf8 as below:

database_charset = utf8

this resolved issue

“unserialize(): Error at offset”

Now, still at the same page loading … new error shows up:

[04-Mar-2019 09:17:18 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:18 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:18 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:18 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] PHP Warning: Cannot use a scalar value as an array in /var/www/html/ojs-3.1.1-4/lib/pkp/classes/core/DataObject.inc.php on line 133
[04-Mar-2019 09:17:19 America/Edmonton] Malformed UTF-8 characters, possibly incorrectly encoded
[04-Mar-2019 09:17:19 America/Edmonton] Malformed UTF-8 characters, possibly incorrectly encoded

I am searching the forum, Hi Alec if you can point me again please?

Thanks @asmecher!

Dung.