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1. scheissverein
   Member
   Posted 3 years ago #

   hi!

   first: if read http://codex.wordpress.org/FAQ_Troubleshooting, but my problem is a bit different:

   i get by surfing on <path>/wp-login.php the information:

   "Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[path]/wp-config.php:1) in /mnt/web1/[path]/wp-login.php on line 255

   Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[path]/wp-config.php:1) in /mnt/web1/[path]/wp-login.php on line 267"

   i checked wp-login.php & wp-config.php & wp-includes/pluggeable.php about 5 times, there is NO space at the very beginning or end.

   if i try to login i get the following error only:

   "Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[]/wp-login.php on line 255

   Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[]/wp-login.php on line 267

   Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[]/wp-includes/pluggable.php on line 658

   Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[]/wp-includes/pluggable.php on line 659

   Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[]/wp-includes/pluggable.php on line 660

   Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[]/wp-includes/pluggable.php on line 850"

   has anybody anidea whats going on / wrong with my version of wp?

   thanks a lot!

2. sugary-life
   Member
   Posted 3 years ago #

   I HAVE THE SAME PROBLEM... PLEASE HELP!!!

3. Samuel B
   moderator
   Posted 3 years ago #

   http://codex.wordpress.org/Answers-Troubleshooting#Headers_already_sent

   start with wp-config.php
   after reviewing the above

4. scheissverein
   Member
   Posted 3 years ago #

   i already read exactly this information and tried several times to delete spaces or something like that. but there is no space anymore!

5. qhash
   Member
   Posted 2 years ago #

   hi,
   I have the same problem. I tried to delete spaces, add ?> at the end of the file (because it wasnt there) but antyhing of the above seems to be working.

   scheissverein, was ur problem solved?

6. apljdi
   Member
   Posted 2 years ago #

   Spaces aren't the only problem mentioned in the link samboll provided. A big-- aka, common-- problem is this: "Open that file in a plain text editor (NOT MS Word or similar. Notepad or BBEdit are fine)." What did you use to edit wp-config.php? Word processor or text editor? They are not the same.

7. qhash
   Member
   Posted 2 years ago #

   update:
   you know guys, now i know why Poland is so good in consumer IT products and solutions - the forums are often much more helpful :)
   if you are having problem with headers in line 1 like this one:
   "Warning: Cannot modify header information - headers already sent by (output started at /mnt/web1/[path]/wp-config.php:1) in /mnt/web1/[path]/wp-login.php on line 255
   and you do not see any whitespaces in your file in the first line, it means that Unicode Signature BOK is included (which i guess MS notepad automatically ads).

   Open file in Dreamweaver,jEdit or any other you know it can remove the signature, fin page properties ( or relevant function ) and remove the BOK.

   Upload and heading error will dissapear.

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