there is server error

i go to google console and find the error message

unreachable–> Response Code: 500 Category:Server error
Last crawled :22/4/2017
Googlebot couldn’t access the contents of this URL because the server had an internal error when trying to process the request. These errors tend to be with the server itself, not with the request

please is this error make journal not export paper to google scholar

and how can deal with this error

Look in your PHP error log for details on the server error:

Please this make the ojs not export the paper to google scholar

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