Setting up Looker Links to Dashboards and Explores through Liquid Automation

constant:table_no_cell_viz {
value: "
{% assign vis_config = ‘{"series_column_widths":{"’ | append: minimal_column_width | append: ‘":"75"},"type":"looker_grid","series_cell_visualizations":{}}’ | url_encode | prepend: ‘&vis_config=’ %}

"
}

Try this, this will work