Issue #3371106
I already fixed: Fatal error: Declaration of Drupal\smart_trim_readmore\Plugin\Field\FieldFormatter\SmartTrimReadmoreFormatter::defaultSettings() must be compatible with Drupal\smart_trim\Plugin\Field\FieldFormatter\SmartTrimFormatter::defaultSettings(): array in /web/modules/contrib/smart_trim_readmore/src/Plugin/Field/FieldFormatter/SmartTrimReadmoreFormatter.php on line 30