TYPO3 Core

The field in database (tt_content/pages) is a TINYTEXT, this means it can hold up to 255 characters.

If you take (in a bigger websites) page identifiers with 4 digits, this means 5 characters with the comma to be stored, you get 255 / 5 = 51

So this value could probably be raised a bit however I wonder if it really makes sense UX-wise. If you need to raise it for your own requirements you may do that in typo3conf/extTables.php:

$GLOBALS['TCA']['tt_content']['columns']['page']['config']['maxitems'] = 50;

I already tried that but the yellow exclamation marks is still there and so the content element can not be saved in the backend ... I would change the field in the database directly to text or something so that my customer is able to work on that stuff by himself - but I don't know if it would have any side effects to change that database field to something else?

Probably already noticed, but Xaviers code example contains a little typo. Has to be "pages" instead of "page":

$TCA['tt_content']['columns']['pages']['config']['maxitems'] = 50;

Hi Marc, no, I have to admit I haven't noticed that at all and - tada - now it works! Thanks a lot for the hint!

Patch set 2 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at http://review.typo3.org/39532

Patch set 3 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at http://review.typo3.org/39532

Patch set 4 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at http://review.typo3.org/39532