Call to undefined method DAO error from ojs 2.4.8-2 to 3.0.2

@RGatica wrote:

Hi.

I was asked to update an existing OJS from 2.4.8-2 to 3.0.2 and i got a constant error when i tried to do the upgrade process.

See, i tried to upgrade from 2.4.6 to 3.0.2 and i had no problem. Then, using the backup platform, i upgrade to 2.4.8-2 and when i tried to upgrade to 3.0.2 i got this message in putty:

Call to undefined method DAO::DAO() in plugins/generic/usageStats/usageStatsTemporaryRecordDAO.inc.php on line 29

The first time i tried the upgrade from 2.4.8-2 to 3.0.2 i got a message that i missed the GeoLocationTool.inc.php file so i copied from 2.4.8-2 to 3.0.2. Next i got the DAO error. And here is when i got stuck, my upgrade process doesn’t pass this point.

I am run out of ideas so, please, help me with this.

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