I can´t Delete a Submission

I’m trying to delete a submission.

But I got this:
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It doesn´t give me to much information, so, after cheking the error_log from php i got this:

[22-Feb-2018 12:21:58 Europe/Belgrade] PHP Strict Standards: Declaration of SubmissionFileDAO::fromRow() should be compatible with PKPSubmissionFileDAO::fromRow($row, $fileImplementation) in C:\inetpub\wwwroot\Newsletter\CEDEX\classes\article\SubmissionFileDAO.inc.php on line 23

HI @josuevalrob

Is there any PHP error – those strinct standards and deprecated and … warnings are not important…

Best,
Bozana

No php error… just warnings…

Where else can I get log reports?

I got this from the console:
Chrome
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And firefox.
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