Troubleshooting phpBB Forums
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phpBB is a complicated set of scripts, so even something that should be simple, like installing a style, can cause you problems. There are many causes of these problems, ranging from designer mistakes to errors in the copying of the files, but all of them are easy to fix. Let us examine some of the more common troubles encountered by forum administrators in the past.
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[edit] Style Does Not Appear in Administration
If a style does not appear in the Styles Administration page after you have copied it to the templates directory, there is usually a problem with the theme_info.cfg file that should be in the style's directory. Make sure this file has been copied and that the name of the file has not been changed. If the file is present and named correctly, then there is a problem inside the file itself. Some styles have been distributed with errors in this file.
Open theme_info.cfg for editing. It should resemble the subSilver file shown in the figure that follows. Note that each line begins with $subSilver[0], followed by other characters. The subSilver part is extremely important, and must be spelled in exactly the same manner as the name of the style's templates directory and cannot contain any spaces. The name will be different for each template, of course. phpBB will consider all of these to be completely different things:
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subSilver -
subSilver -
Subsilver -
SubSilver -
subsilver
This screenshot shows a portion of an unaltered subSilver theme_info.cfg. Only our first option, subSilver, would be correct in this instance. Check each line of theme_info.cfg and make any corrections needed to the file or, if necessary, rename the style's templates directory. In certain cases, the latter will be an easier method of correcting the problem. Other styles will have different names for their directory and in theme_info.cfg, but the name must be the same in both places.
[edit] Configuration File Cannot Be Opened
Sometimes phpBB may have trouble finding the configuration file for a template element. When this happens, either during installation or normal forum operations, the forum will present the user with a Critical Error message, as shown in the following figure, mentioning the name of the template. That name is a very important part of this error message, because it is telling you what name phpBB has used to look for the configuration file. When the name of the template is shown as subSilver, phpBB could not find a file called subSilver.cfg in the templates/subSilver directory. Similarly, the name subBook means phpBB looked for subBook.cfg in the templates/subBook directory. The pattern here should be clear:
To repair this error, you need to ensure that phpBB can find the file in question. As with the error when the style does not appear in Styles Administration, the names of the actual file and directory must be exactly the same as that in the error message. Subbook is not the same as subBook. First, look in the templates directory and ensure that there is a subdirectory with the template name. Next, look inside that subdirectory for the template configuration file. If either the directory or file is named incorrectly, renaming them to the correct spelling should fix the error.
If there is no templates subdirectory that comes even close to having the correct name, there are two ways to fix the error temporarily. The first method is to rename another subdirectory (and the template configuration file inside it) to the name phpBB is trying to find. When doing this, be sure to write down the original name for a quick change-back later. The second and better method is to copy another template and rename it. The steps for this are the same as those in the Creating a Copy Style section earlier in this chapter, except you will not need to edit theme_info.cfg. With the problem repaired for the moment, you can try to uninstall the problem style or work out a more lasting solution like replacing the templates files of the style.
[edit] Removing an Installed Style
At some point, you may decide that you want to remove a style you have added to your phpBB forum. This is a much simpler process than installing styles. There are two steps to removing a style: deleting the style and theme information from the database and deleting the templates directory of the style.
In the Administration Control Panel, scroll the navigation menu down to the Styles Admin section. Clicking the Management link will load a Styles Administration page, listing the styles currently installed on your forum. It looks very similar to the installation page you have already seen. By clicking the Delete link next to a style, you will remove all information related to that style in your forum's SQL database. You will be asked to confirm the deletion before it actually happens. Any users that have selected a style in their profiles will automatically have their selection changed when that style is deleted. Their profile setting will be altered to the style selected as the Board Default on the General Configuration page of the Administration Control Panel.
If you only have one style installed on your forum, you cannot delete it. You also cannot delete the Board Default style.
The second aspect of removing a style calls for deleting that style's related subdirectory of the templates directory. This will typically be done through the same means by which you copied the style into templates when installing it. Since it is possible to have multiple styles that use a single template or image set element with different themes, you should make certain that removing these files will not damage any styles you have not deleted in the Administration Control Panel.
[edit] Additional References
- For instructions on Creating phpBB templates, click here
- For instructions on Installing phpBB, click here
- For instructions on Configuring phpBB, click here
- For instructions on Customizing phpBB Forums, click here
[edit] Source
The source of this content is Chapter 4: Customizing Your Forum of Building Online Communities with phpBB by Jeremy Rogers, Mike Lothar, Stoyan Stefanov (Packt Publishing, 2005).
