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1. stefaantje
   Member
   Posted 5 years ago #
   

   after upgrading I get this error

   Fatal error: Call to undefined function has_filter() in /home/syntraab/default_www/wp-includes/classes.php on line 241

   anybody an idea how to solve it?

2. whooami
   Member
   Posted 5 years ago #
   

   That's a function that is defined inside wp-includes/plugin.php

   If there is a copy of that file on your site, delete it, and upload a fresh copy out of the zip.

   See if that helps.

3. stefaantje
   Member
   Posted 5 years ago #
   

   it's solved by uploading again and first deleting indeed

4. bankans
   Member
   Posted 5 years ago #
   

   it's solved by uploading again and first deleting indeed

   I tried the same. Did not solve my problem.
   I am still getting the error.

   Upps/// U just found out that I can not see any error but a BLANK page..please see

   http://www.calcuttaglobalchat.net/calcuttablog

   Please let me know how to fix the problem.

5. bankans
   Member
   Posted 5 years ago #
   

   I am actually log in to the admin panel but I am not seeing any features. check the admin panel screen shot here:
   http://calcuttans.com/gallery/main.php?g2_itemId=4847

6. deKay
   Member
   Posted 5 years ago #
   

   I'm getting the same problem! Replacing all of the wp-includes files doesn't help.

   My dashboard looks just like bankans' :(

7. Smicky
   Member
   Posted 5 years ago #
   

   I had the same problem and admin looked like the picture that bankans posted...but deleteing the plugin.php file and re-uploading fixed it right off. Thanks!

8. deKay
   Member
   Posted 5 years ago #
   

   OK, fixed now - I uploaded *everything* again. I think my FTP client was only uploading newer files, and some of the new 2.5 files actually had an older datestamp than those on my server.

9. bankans
   Member
   Posted 5 years ago #
   

   well I have fixed the problem somehow but got the same in my other site.
   I am WP freak. All my sites (>10) are in WP. All but 2 gave me problem during upgrading so far. both gave me same problem though. with plugin.php and with wp-includes/classes.php on line 241

   I will try re uploading everything! and let you all know about my experience.

   I am noticing that "speed" for page load time has improved a LOT!

   here is my another site which is having problem:
   http://ankanbasu.com

   while http://coalgeology.com behaving superb.

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