Answers.Body: <p>This error indicates that you don't have a matrix block, called header, setup in the CMS, but your template is expecting one.</p>
  
  <p>The solution is to create a new matrix field;</p>
  
  <p>settings > fields > new field.</p>
  
  <p>The field type should be “matrix” and it's handle needs to be “header”.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2018-12-18T13:30:07.273Z
Answers.LastActivityDate: 2018-12-18T13:30:07.273Z
Answers.UserDisplayName: Seth Warburton
Body: <p>Internal Server Error
  Craft\MatrixBlockModel and its behaviors do not have a method or closure named "header".</p>
  
  <p>Apache Version  2.4.37
  PHP Version 7.1.24
  MySQL Version   5.7.24
  Architecture    x86_64
  Operating System    Linux Cent OS</p>
  
Tags: <configuration>
Title: After migrating, I am getting this error for several of my buttons and menus on Craft 2.6
ThreadText: # After migrating, I am getting this error for several of my buttons and menus on Craft 2.6
  
  (Asked by: username_0 on 2018-12-17)
  
  Internal Server Error
  Craft\MatrixBlockModel and its behaviors do not have a method or closure named "header".
  
  Apache Version 2.4.37
  PHP Version 7.1.24
  MySQL Version 5.7.24
  Architecture x86\_64
  Operating System Linux Cent OS
  
  **Tags:** configuration
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2018-12-18. Score: 1
  
  This error indicates that you don't have a matrix block, called header, setup in the CMS, but your template is expecting one.
  
  The solution is to create a new matrix field;
  
  settings > fields > new field.
  
  The field type should be “matrix” and it's handle needs to be “header”.
  
  
  ---
  
  