Oai eror regiseration

Hi when i register oai, l get this error

Checking GetRecord response
REQUEST http://journal.tishreen.edu.sy/index.php/engscnc/oai?verb=GetRecord&identifier=oai%3Aoai.journal.tishreen.edu.sy%3Aarticle/11&metadataPrefix=oai_dc GET
FAIL Server failed to respond to the GetRecord request (HTTP header values: status=500 Internal Server Error, age=1, lifetime=3600, is fresh:=1)
FAIL Can’t complete datestamp check for GetRecord
FAIL ABORT: Can’t complete datestamp check for GetRecord
Have you any idea who to fix this

Hi @amirtfiha1,

It looks like that link is working – have you resolved the issue?

Regards,
Alec Smecher
Public Knowledge Project Team