/* BODY */
<br />
<b>Notice</b>:  Trying to access array offset on value of type null in <b>/home/medicalb/public_html/my.praxispage.ch/_assets/php/PolyCMS.class.php</b> on line <b>491</b><br />
<br />
<b>Fatal error</b>:  Uncaught InvalidArgumentException: The hex value '' does not appear to be valid. Only 0-9, A-F allowed and must be consist of either 3 or 6 characters in /home/medicalb/public_html/my.praxispage.ch/_assets/php/WGACContrast.class.php:25
Stack trace:
#0 /home/medicalb/public_html/my.praxispage.ch/_assets/php/WGACContrast.class.php(80): WCAG::hex2rgb('')
#1 /home/medicalb/public_html/my.praxispage.ch/_assets/php/CustomStyleFunctions.php(26): WCAG::contrastRatio(NULL, '#212121')
#2 /home/medicalb/public_html/my.praxispage.ch/customize/_assets/css/custom.php(31): getTextColor(NULL, '#212121', '#fafafa')
#3 {main}
  thrown in <b>/home/medicalb/public_html/my.praxispage.ch/_assets/php/WGACContrast.class.php</b> on line <b>25</b><br />