EmmaU
2
Hello @zaratushtra!
First, I recommend that you check your Crossref login credentials to make sure they are entered correctly.
Secondly, please check out the following thread:
https://forum.pkp.sfu.ca/t/submission-was-not-successful-the-doi-registration-server-returned-an-error/68288/6
As well as this post:
It may be that you will need to upgrade your OJS to a higher version.
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