Fehlermeldung

• Notice: Undefined index: slider in _exclude_node_title() (Zeile 238 von sites/all/modules/exclude_node_title/exclude_node_title.module).
• Notice: Trying to access array offset on value of type null in _exclude_node_title() (Zeile 238 von sites/all/modules/exclude_node_title/exclude_node_title.module).
• Notice: Undefined index: slider in _exclude_node_title() (Zeile 238 von sites/all/modules/exclude_node_title/exclude_node_title.module).
• Notice: Trying to access array offset on value of type null in _exclude_node_title() (Zeile 238 von sites/all/modules/exclude_node_title/exclude_node_title.module).