Hi Petko, thanks for your suggestion.
Engine and Main are Groups of Wiki pages. They do not have php code and do not make calls. I did check the troubleshooting page, but there are no error messages and no php errors (I set-up logging in php.ini) I disabled all the add-ons in local/config.php, but no difference, still blank pages. I also checked all the file and directory permissions and ownership of the files, Groups and upload directories. I enabled diagnostics, and looked at the page using ?action=ruleset but it doesn’t tell me much https://www.sl113.org/wiki/Engine/Start?action=ruleset <https://www.sl113.org/wiki/Engine/Start?action=ruleset> The page displays, but then there are no pictures on it. I am using Auth-SMF and this has always worked well. Even now, when logged in, the Wiki works correctly. I’m thinking of a problem when $AuthId = ‘’; (i.e. blank) and there is a .jpg or .png picture meant to be shown on the page. Peter > On 31 Mar 2020, at 19:34, Petko Yotov <5...@5ko.fr> wrote: > > Let's say that we need to first try to fix the blank pages problem and then > the SMF integration (unless it is the integration that causes the blank > pages). > > Also: there appear to be 3 addons for SimpleMachinesForum integration in the > PmWiki cookbook, which one do you use? > > Petko > > On 31/03/2020 19:28, Petko Yotov wrote: >> Completely blank pages without any message often are caused by a call >> to a function that is not defined - either mis-typed or >> deprecated/removed. >> I'd review all files in the "local" directory if some of them, notably >> those starting with "Engine" and "Main", make some suspicions calls. >> Otherwise, see the page Troubleshooting in the documentation -- it can >> be an older addon that calls an undefined function, or that calls >> htmlspecialchars(). Troubleshooting contains instructions on how to >> track the cause: >> https://www.pmwiki.org/wiki/PmWiki/Troubleshooting >> First section for tracking, see also the section on blank pages near >> the middle of that page. >> Petko >> -- >> If you upgrade : http://www.pmwiki.org/Upgrades >> On 31/03/2020 18:48, Peter van Es wrote: >>> I have a weird problem on my PmWiki, and it’s behaviour has recently >>> started changing. >>> I have a recent PMWiki installation (version 2.2.127) running on a >>> Ubuntu 16.04.4 LTS version, with a recent plesk update and php7.3 >>> It coexists with a SimpleMachinesForum (SMF) installation which is >>> used for user authentication. That install was recently upgraded to >>> version 2.0.17 >>> Users logged into the forum have no problem seeing all the content of >>> my Wiki (except for restricted pages) — even if they do not have >>> edit rights. >>> However users not logged into the forum, who used to be able to see >>> all non-restricted content, now get served a completely blank page. >>> I do not have a log in box, because most people log in via the forums. >>> Then their >>> * AuthId: >>> * Author: >>> are both blank (empty). >>> I have no php errors in my log. >>> The other weird thing: pages which show up blank have images (i.e. >>> uploads) on them. The file and directory access rights have all been >>> set correctly. >>> A page which shows up blank is: >>> https://www.sl113.org/wiki/Engine/Start but it should not >>> Whereas this page just shows: https://www.sl113.org/wiki/Brake/Start >>> Restricted pages show a login box: >>> https://www.sl113.org/wiki/Restricted/Start and start with Group >>> Restricted >>> The startpage of my wiki is: https://www.sl113.org/wiki/ which has a >>> picture and shows just fine… >>> What I would like to achieve is that anonymous browsers can see all of >>> my non-restricted content on the Wiki again…
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