Recently installed the Plugin NextGen Pro to enable the Nextgen Pro Lightbox this would work on some galleries and others it would just display the below.

Turns out some of the shotcodes were wrong on the Gallery Page

Readding these resolved the issue

[ngg_images source="galleries" container_ids="7" display_type="photocrati-nextgen_pro_mosaic" row_height="180" margins="5" last_row="justify" lazy_load_enable="1" lazy_load_initial="35" lazy_load_batch="15" captions_enabled="0" captions_display_sharing="1" captions_display_title="1" captions_display_description="1" captions_animation="slideup" order_by="sortorder" order_direction="ASC" returns="included" maximum_entity_count="500"]