Title: Fatal error: Uncaught Error: Method name must be a string
Last modified: January 19, 2021

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# Fatal error: Uncaught Error: Method name must be a string

 *  Resolved [onlinemzk](https://wordpress.org/support/users/onlinemzk/)
 * (@onlinemzk)
 * [5 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-method-name-must-be-a-string/)
 * Unable to add or edit booking objects. Getting the following error message in
   the Taxonomies and Other fields section.
 * Fatal error: Uncaught Error: Method name must be a string in /home/customer/www/
   mydomain.com/public_html/wp-content/plugins/ba-book-everything/includes/plugins/
   cmb2/includes/CMB2_Types.php:101 Stack trace: #0 /home/customer/www/mydomain.
   com/public_html/wp-content/plugins/ba-book-everything/includes/plugins/cmb2/includes/
   CMB2_Types.php(90): CMB2_Types->_render() #1 /home/customer/www/mydomain.com/
   public_html/wp-content/plugins/ba-book-everything/includes/plugins/cmb2/includes/
   CMB2_Field.php(929): CMB2_Types->render() #2 /home/customer/www/mydomain.com/
   public_html/wp-content/plugins/ba-book-everything/includes/plugins/cmb2/includes/
   CMB2_Base.php(315): CMB2_Field->render_field_callback(Array, Object(CMB2_Field),
   NULL) #3 /home/customer/www/mydomain.com/public_html/wp-content/plugins/ba-book-
   everything/includes/plugins/cmb2/includes/CMB2_Base.php(273): CMB2_Base->do_callback(
   Array) #4 /home/customer/www/mydomain.com/public_html/wp-content/plugins/ba-book-
   everything/includes/plugins/cmb2/includes/ in /home/customer/www/mydomain.com/
   public_html/wp-content/plugins/ba-book-everything/includes/plugins/cmb2/includes/
   CMB2_Types.php on line 101
    There has been a critical error on this website. 
   Please check your site admin email inbox for instructions.

The topic ‘Fatal error: Uncaught Error: Method name must be a string’ is closed 
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 * 0 replies
 * 2 participants
 * Last reply from: [onlinemzk](https://wordpress.org/support/users/onlinemzk/)
 * Last activity: [5 years, 3 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-method-name-must-be-a-string/)
 * Status: resolved