Error message

• Deprecated function: Non-static method Drupal\glueup_ads\GlueupAdsSlick::index() should not be called statically in Drupal\glueup_ads\Plugin\Block\GlueupAdsHorizontalTopBlock->build() (line 79 of modules/custom/glueup_ads/src/Plugin/Block/GlueupAdsHorizontalTopBlock.php).
• Deprecated function: Non-static method Drupal\glueup_ads\GlueupAdsSlick::index() should not be called statically in Drupal\glueup_ads\Plugin\Block\GlueupAdsVerticalTopBlock->build() (line 79 of modules/custom/glueup_ads/src/Plugin/Block/GlueupAdsVerticalTopBlock.php).
• Deprecated function: Non-static method Drupal\glueup_ads\GlueupAdsSlick::index() should not be called statically in Drupal\glueup_ads\Plugin\Block\GlueupAdsVerticalBottomBlock->build() (line 79 of modules/custom/glueup_ads/src/Plugin/Block/GlueupAdsVerticalBottomBlock.php).
• Deprecated function: Non-static method Drupal\glueup_ads\GlueupAdsSlick::index() should not be called statically in Drupal\glueup_ads\Plugin\Block\GlueupAdsVerticalTopBlock->build() (line 79 of modules/custom/glueup_ads/src/Plugin/Block/GlueupAdsVerticalTopBlock.php).
• Deprecated function: Non-static method Drupal\glueup_ads\GlueupAdsSlick::index() should not be called statically in Drupal\glueup_ads\Plugin\Block\GlueupAdsVerticalBottomBlock->build() (line 79 of modules/custom/glueup_ads/src/Plugin/Block/GlueupAdsVerticalBottomBlock.php).