Import database from last version to version3

we have an ojs
this ojs have very account , issue and etc

now we installed an ojs3 on a new host and want to import data base from last ojs to new version

can you help me?

Hi @amirhosein,

OJS 3.x doesn’t support upgrades from 2.3.x. In order to upgrade you’ll first need to upgrade to 2.4.x.

See this forum thread for more information: Ojs migration from old version to latest version 3.0.0