Redmine

Redmine crash when I try to change parent id on wiki page.

Internal error

Log:

  Parameters: {"utf8"=>"✓", "authenticity_token"=>"3P/QNO4+5wWOcbRoqUy8vsnlvNT1iUXHjcpWQjNH+B4nfeZVcAFBo0n21/l44WcufN5F2+U4NIOBVFWaK
D22kQ==", "content"=>{"version"=>"11", "text"=>"h1. PVv3xxx identification List\r\n\r\n\r\nh2. Lookup Table By FW Name (write to reg
ister 0x007E)\r\n\r\n|_. FW |_. fw_id (hex) |_. fw_id (dec) |  \r\n| F77 | 0x464D | 17997 |\r\n| G77 | 0x474D | 18253 |\r\n| G81 | 0
x4751 | 18257 |\r\n| H77 | 0x484D | 18509 |\r\n| J77 | 0x4A4D | 19021 |\r\n| K81 | 0x4B51 | 19281 |\r\n| K82 | 0x4B52 | 19282 |\r\n|
 M80 | 0x4D50 | 19792 |\r\n| M83 | 0x4D53 | 19795 |\r\n| M84 | 0x4D54 | 19796 |\r\n| M85 | 0x4D55 | 19797 |\r\n| M87 | 0x4D57 | 1979
9 |\r\n| M93 | 0x4D5D | 19805 |\r\n| N78 | 0x4E4E | 20046 |\r\n| P7A | 0x507A | 20602 |\r\n| P92 | 0x505C | 20572 |\r\n| S14 | 0x530
E | 21262 |\r\n| S17 | 0x5311 | 21265 |\r\n| S18 | 0x5312 | 21266 |\r\n| S5D | 0x535D | 21341 |\r\n| S91 | 0x535B | 21339 |\r\n| T74
 | 0x544A | 21578 |\r\n| W10 | 0x570A | 22282 |\r\n| X086 | 0x5856 | 22614 |\r\n\r\nh2. Equation (str -> id)\r\n\r\n<pre><code class
=\"python\">\r\nfw_string = 'F77'\r\nletter = ord(fw_string[0])\r\nnumber = None\r\n\r\nif re.search('[A-F]', fw_string[1:].upper())
:\r\n    number = int(fw_string[1:], 16)\r\nelse:\r\n    number = int(fw_string[1:])\r\n\r\nfw_id = (letter << 8) + number\r\n</pre>", "comments"=>""}, "wiki_page"=>{"parent_id"=>"20", "tag_list"=>""}, "commit"=>"Save", "project_id"=>"firmware-modules", "id
"=>"Pv3xxx_identification"}
  Current user: corakm (id=1)
Completed 500 Internal Server Error in 39ms (ActiveRecord: 5.7ms)

NoMethodError (undefined method `scoped' for #<Class:0x00000002c75360>):
  app/models/wiki_page.rb:216:in `block in save_with_content'
  app/models/wiki_page.rb:215:in `save_with_content'
  app/controllers/wiki_controller.rb:154:in `update'
  lib/redmine/sudo_mode.rb:63:in `sudo_mode'

Environment:
  Redmine version                3.2.0.stable
  Ruby version                   2.1.8-p440 (2015-12-16) [x86_64-linux]
  Rails version                  4.2.5
  Environment                    production
  Database adapter               Mysql2
SCM:
  Subversion                     1.7.14
  Git                            1.8.3.1
  Filesystem                     
Redmine plugins:
  clipboard_image_paste          1.10
  quick_edit                     0.0.9
  quick_view                     0.2.0
  redmine_base_deface            0.0.1
  redmine_checklists             3.1.3
  redmine_custom_reports         0.1.5
  redmine_dashboard              2.7.0
  redmine_dmsf                   1.5.6
  redmine_documents              1.0.0
  redmine_documents_short        0.4.0
  redmine_editor_preview_tab     0.1.5
  redmine_github_hook            2.2.0
  redmine_highlightjs            1.0.3
  redmine_issue_templates        0.1.1
  redmine_jstoolbar_ext          0.2.1
  redmine_jstoolbar_ext_coderay  0.2.0
  redmine_jstoolbar_ext_images   0.3.1
  redmine_mail_reminder          3.0.0.0001
  redmine_maintenance_mode       2.0.1
  redmine_mylyn_connector        2.8.2.stable
  redmine_per_project_formatting 0.0.4
  redmine_percent_done           1.0.0
  redmine_revision_branches      0.3.1
  redmine_silencer               0.4.1
  redmine_tags                   3.1.1
  redmine_tweaks                 0.5.7
  redmine_wiki_extensions        0.7.0
  redmine_wiki_toc               0.0.3
  release_logs                   1.0.0
  wiking                         1.0.0b
</code