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[croki Friend crokiJoin date: August 2010Posts: 11Downloads:0Uploads:1 Thanks: 2]

#158165

Hello,

I installed JomSocial and when I load JomSocial page I get this error

“Cannot modify header information – headers already sent by (output started at /home/…/plugins/system/jat3/core/preload.php:299) in /home/…/components/com_community/libraries/core.php on line 552”

Any idea how to fix it and what does it mean?

Tnx

[aman204 Friend aman204Join date: January 2010Posts: 1945Downloads:0Uploads:43 Thanks: 11 Thanked: 418 times in 356 posts]

#369634

Did you get any error during jomsocial installation ?

[croki Friend crokiJoin date: August 2010Posts: 11Downloads:0Uploads:1 Thanks: 2]

#369641

No. No errors during instalation. I watched all steps.

[aman204 Friend aman204Join date: January 2010Posts: 1945Downloads:0Uploads:43 Thanks: 11 Thanked: 418 times in 356 posts]

#369662

Probably, this forum post can help 🙂

http://www.jomsocial.com/forum/index.php?f=13&t=16129&rb_v=viewtopic&start=40&sid=d99096e6633e4f282f8869e06fba61ff

Mainly, Are you using some 3rd party sef extension ? If yes, try to disable it to troubleshoot the issue

[croki Friend crokiJoin date: August 2010Posts: 11Downloads:0Uploads:1 Thanks: 2]

#369728

Hello,

There is another problem. I installed Mosets Tree and i get similar error

“Warning: Cannot modify header information – headers already sent by (output started at /home/…/plugins/system/jat3/core/preload.php:299) in /home/…/components/com_mtree/mtree.php on line 1898”

It is again problem with the same file in template. To me this seems like a jat3 problem since both times is the same file in question.

[thuanlq Friend thuanlqJoin date: October 2010Posts: 528Downloads:0Uploads:29 Thanks: 8 Thanked: 121 times in 99 posts]

#369766

Hi,

You can try do as following :
– open “preload.php” file in location “plugins/system/jat3/core/”, go to end of file content remove “?>”.
– change “encoding” of file to “encode in utf-8 without BOM”, and save file
If it is not resolved, please provide me your website information (ftp account, admin user account ). I shall fix it for you.

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