[coenm]

First, my apologies, but unfortunately I am far from an expert, so I need some clarification on the following points you asked:

I’m not sure what you mean by ‘server settings’?

What is ‘enough’ memory? (and how can I find / change this?).

I’m on a shared server.

I’m with Bluehost an have their ‘Pro’ plan.

Thanks for your reply!

[coenm]

I contacted my hosting again, and they told me that apart from ‘mydomain.com/error_log’ there is another ‘error_log’ here: ‘mydomain.com/wp-admin/error_log’ where 1 new line can be found (whilst I re-tried manual stamping and got the 500 error several times..):

[19-Dec-2013 12:02:03 UTC] WordPress database error Table ‘pianocou_wor1.wrd_copyrightpro’ doesn’t exist for query SELECT*FROM wrd_copyrightpro WHERE Option=’copy_link’ made by activate_plugin, include_once(‘/plugins/wp-copyrightpro/index.php’), eval, img_panelcopy for the admin

As you might have guessed by now, I’m not exactly a programmer and can only guess what this means: although I disabled the WpCopyright plugin, it is still nested somewhere in my database?

At this point I no longer know wether I should revert to you, or to the creator of WpCopyright or anybody else, but since i get the error message after manual stamping, hereby my final shot at hoping you can give me the magic formula to solve my problem…

Sorry and thanks again.

[coenm]

So I’m sorry for writing in two different topics on this forum, but as this involves a 500 error:

Indeed I thought WpCopyright Pro was causing the problem.

Disabling that plugin seemed to do the trick, because my file stamped (manual) again.

I do feel I have to elaborate (I’ll try to keep it short):

I have 3 .pdf files for sale. 2 ‘normal’ (just text and pictures) and 1 large file that has video’s embedded.

Those 2 ‘normal’ files worked fine up until I posted here -> customer bought, finished the transaction process and got the stamped file delivered.

The ‘video’ .pdf, however (size of this file is +/- 550mb) has never been delivered properly. I always had to stamp this file manually and send it afterwards.

Now, since I have this 500 fault:

The video file still seems to get stamped fine manually.

The other two files cause the 500 error.

BUT.

1. Since I disabled WpCopyright pro, no line is added to my error log anymore (although I do get a 500 error message).

2. When I try 5 – 6 times in a row, sometimes ‘randomly’ I don’t get the 500 error message and the file get’s stamped fine…

I already tried deleting the WpCopyright pro plugin. De-activating and then re-activating Pdf stamper.

No success up until now.

So, the only thing that has changed after disabling WpCopyright Pro, is that my error_log doesn’t get a new line.

Any more tips?

Oh and in response to ‘admin’: when I said ‘suddenly appeared’ I actually meant ‘suddenly’. I don’t recall changing anything when I -indeed suddenly- started to get the error message.

Sorry for the many questions and long stories. Hopefully you can help me!

Thanks.

[coenm]

Any known conflicts with WpCopyright Pro? I think this is causing problems with pdf stamper @ my website… On the other hand, I’d really like to keep using WpCopyright Pro as well..

Any thought?

[coenm]

Ok so now I ‘know’ what the problem is, but I certainly don’t understand how to fix it.

Strange thing is that this server error suddenly appeared, and also, not with every file. There are a few files that work and some that give the 500 error.

This is the line from my error log:

PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘copyrightpuydi’ not found or invalid function name in /public_html/wp-includes/plugin.php on line 406

Please help?

[Author]

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