Raspberry Pi

Error message

• Deprecated function: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in drupal_strip_dangerous_protocols() (line 1458 of /home2/crephoto/public_html/techblog/includes/common.inc).
• Deprecated function: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in drupal_strip_dangerous_protocols() (line 1458 of /home2/crephoto/public_html/techblog/includes/common.inc).
• Deprecated function: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in drupal_strip_dangerous_protocols() (line 1458 of /home2/crephoto/public_html/techblog/includes/common.inc).