In the file /sites/all/modules/wysiwyg/editors/ckeditor.inc
Wysiwyg version = “7.x-2.2”
change line 81
if (preg_match(‘@version:\'(?:CKEditor )?([\d\.]+)(?:.+revision:\'([\d]+))?@’, $line, $version)) {
to
if (preg_match(‘@version:[\”|\’](?:CKEditor )?([\d\.]+)(?:.+revision:[\”|\’]([\d]+))?@’, $line, $version)) {