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  • #623941

    Hello,

    Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
    I have to duplicate this post because I am trying to solve for more than 1 week.
    When I write the problem here sometimes I have to wait several days, then if at that moment it is working the answer is that everything is ok, but it is mot
    I am going to add the credential here but I would appreciate an answer today because otherways the problem is never solved and I think I am very clear what is the problem about.

    The error is when I edit the homepage and anytime I need to deactivate and activate the plugins and sometimes it is not working even doing this at all. This is what is happened just now

    Can anyone help me?
    When I ask for something like change a size or sth not very important I got an answer in minutes but now I need days

    #623999

    Hi endanight!

    As it seems, there is a conflict with your plugins.
    You will have to go 1 by 1 activate / deactivate test and check which is making the issue

    Best regards,
    Basilis

    #624188

    I did it and I find it, one I had a quiz and before was working without any problem, but later it was total cache and super cache this well and I deleted them this well, but after 1 day the problem stated again, and sometimes after deactivated and activated works but later the problem starts again. Someone ask me for my ftp credentials here but after add them any answer

    #624189

    and I thought total or super cache are one of the recommended plugins to have

    #624194

    Hi,

    Would you mind posting us the full error messages, since they usually indicate where the errors are happening. Wp Supercache is actually on the recommended list and we are using it for kriesi.at as well so it should work fine.

    Truth to be told, this sounds more like a multiple plugin conflict then a theme problem but we will probably be able to learn more about it by knowing the full error message. Thanks for your patience. 

    Best regards,
    Kriesi

    #624233

    This is the message I use to have:
    Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0

    Before was another one about the speed

    #624250

    Now this happen again when I have connected jetpack to wordpress

    #624262

    Hi!

    Nothing more? Usually the script should tell which line of which file. Without that the error message is pretty useless for us I am afraid since the error could be caused by either the theme or any plugin file, or even wordpress itself and we are not able to tell were it was caused…

    I tried to reproduce the error and saving did work fine for me on your page, however I noticed that everything is really slow and that the servers memory consumption is really high.

    You got a memory of 256mb by default, but simply displaying the backend admin panel required 190mb – this means if there are a few more plugins active or if a complex operation is performed by WordPress there is a good chance the site will go out of memory and throw a random error, like the one your are experiencing.

    This also would explain why deactivating plugins (no matter which ones) solves the issue temporarily since it reduces the required memory.

    But one (or several) of the plugins require a lot of it, and if you want to keep all of them enabled I think you will need to ask your hosting provider to upgrade the site to use more memory…

    Something like 320mb. This would solve the issue but truth to be told, it would probably be better to find out which of the plugins uses so much memory and try to find a replacement

    Best regards!
    Kriesi

    • This reply was modified 7 years, 11 months ago by Kriesi.
    #624307

    And whay I had before more plugins without any problem?

    #624311

    Could be better if I install again the plugin from my host, someone suggested me that here.
    Could you send me the link to download again the theme updated from my host?
    And this could delete something?

    #624495

    Hi,

    I am afraid I am not sure I understand the first question.
    You can download the theme again by logging into your themeforest account and then going to: http://themeforest.net/downloads

    Best regards,
    Kriesi

    #624509

    What about the problems with the plugins, why I didn´t have this problem before?

    #624522

    Hi,

    I guess it might be because is a premium theme that comes bundled with 2 plugins: the layerslider and our own template builder. Those 2 extra plugins along with your existing plugins are maybe too much for the server and require too much memory.

    A more basic theme with less options might be just enough to no longer stress your server with memory issues. So in the end you probably got an additional option.

    You can either search for less resource hungry plugins, a less resource hungry theme or just increase the memory limit of your site. either of these should work

    Best regards,
    Kriesi

    #625277

    In any case, that 2 extra plugin and the others, even more were there before and I didn´t need any extra memory until the updates

    #625366

    Hi,

    Truth to be told: I can not be 100% certain until we try one of those solutions. Might indeed be something different but since no one else is experiencing this issue (and we got a good sample size with 80.000 customers ;D ) I think its correct to assume that this is a server issue, and the large memory usage also points in that direction…

    Best regards,
    Kriesi

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