If I try to change for the second one:<br/>Notice: Undefined variable: voifone_sclass in \wp-content\themes\voifone\templates\header-parts\header-v2.php on line 103
The third one:Notice: Undefined variable: voifone_sclass in \wp-content\themes\voifone\templates\header-parts\header-v3.php on line 104
The fourth one:Fatal error: Uncaught Error: Call to undefined function voifone_custom_search_form() in \wp-content\themes\voifone\templates\header-parts\header-v4.php on line 58 and Error: Call to undefined function voifone_custom_search_form() in \wp-content\themes\voifone\templates\header-parts\header-v4.php on line 58
The fifth one:Fatal error: Uncaught Error: Call to undefined function voifone_custom_search_form() in \wp-content\themes\voifone\templates\header-parts\header-v5.php on line 54 and Error: Call to undefined function voifone_custom_search_form() in \wp-content\themes\voifone\templates\header-parts\header-v5.php on line 54
The sixth one:Fatal error: Uncaught Error: Call to undefined function voifone_custom_search_form() in \wp-content\themes\voifone\templates\header-parts\header-v6.php on line 56 and Error: Call to undefined function voifone_custom_search_form() in \wp-content\themes\voifone\templates\header-parts\header-v6.php on line 56