On PHP 8, I get these errors:
Deprecated function: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in _charts_google_escape_icu_characters() (line 332 of /var/www/drupal/sites/all/modules/contrib/charts/modules/charts_google/charts_google.inc).
Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in _charts_google_populate_chart_axes() (line 135 of /var/www/drupal/sites/all/modules/contrib/charts/modules/charts_google/charts_google.inc).
Deprecated function: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in _charts_google_populate_chart_axes() (line 136 of /var/www/drupal/sites/all/modules/contrib/charts/modules/charts_google/charts_google.inc).Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.
Thank you for your contributions to this issue. As Drupal 7 has reached its End of Life and is no longer supported, we are closing this issue. We encourage you to upgrade to a supported version of Drupal.