DOi Not Found on my system help me!

can help me about this issu?

best regard

The DOI prefix of “10.12345” seems suspect. DOI prefixes must be assigned by a registrar, such as CrossRef. You cannot make up your own. Do you have a contract with CrossRef or EZID or another vendor for a DOI prefix?

hi @ctgraham
can you tell me how to get the DOI prefix number, and can we get it free? or any solution from you to get it

best regard

The DOI prefix is usually a contracted service of CrossRef, with fees per DOI.

The Public Knowledge Project has a strategic alliance with Crossref to sponsor DOI registration for select journals from low-income countries. See this page for more details:

One low cost DOI provider is EZID. There is an OJS plugin for EZID integration.