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I'm using Drupal 7.38. When I re-order book pages and then hit the Save button, the ordering stays the same. If I open individual nodes and change weight of each one then it works, but that will take a lot of time.

Any idea why the re-ordering is not being saved?

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  • How many "book pages" does your book have? Aug 6, 2015 at 12:38
  • the pages are about 250 Aug 6, 2015 at 13:28
  • Is your JS working properly, updating hidden fields?
    – Mołot
    Aug 7, 2015 at 21:02

2 Answers 2

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It's an old bug when you have too many pages, I've been struggling and finally still doing it through MySQL :

it's 'menu_links' table and Weight value in DB , and flush cache well

it's from my old question How to reorder Book module menu through Database?

Hello, who deleted My Answer?! - This IS ANSWER not Bug report, indeed! You can use my answer about MYSQL data tables! Why joke and delete?!

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The page has a lot of hidden input fields for each book you have. You are hitting the max input var limit set in PHP. Increasing the php configuration setting for max_input_vars and it should solve your problem. http://php.net/manual/en/info.configuration.php#ini.max-input-vars

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