Here is the system info tab text, not sure what to look for, but may be helpful in troubleshooting:
FooGallery version : 1.2.18
WordPress version : 4.7
Activated Theme : Twenty Sixteen Child
WordPress URL : https://neelmodi.com
PHP version : 5.2.17
PHP GD Loaded : 2
Extensions Endpoint : https://raw.githubusercontent.com/fooplugins/foogallery-extensions/master/extensions.json
Extensions Errors : Nope, all good
Extensions :
Extensions Active : Array
(
[0] => default_templates
[1] => foobox-image-lightbox
)
Gallery Templates : Array
(
[0] => default
[1] => image-viewer
[2] => justified
[3] => masonry
[4] => simple_portfolio
[5] => thumbnail
)
Lightboxes : Array
(
[foobox-free] => FooBox Free
)
Settings : Array
(
)
Active Plugins : Array
(
[0] => foobox-image-lightbox/foobox-free.php
[1] => akismet/akismet.php
[2] => contact-form-maker/contact-form-maker.php
[3] => foogallery/foogallery.php
[4] => formidable/formidable.php
[5] => hello.php
[6] => hide-wp-comment-author-link/hide_comment_author_link.php
[7] => jetpack/jetpack.php
[8] => mojo-marketplace-wp-plugin/mojo-marketplace.php
[9] => responsive-lightbox/responsive-lightbox.php
[10] => rss-importer/rss-importer.php
[11] => templatic-categoryicons/templatic_category_icons.php
[12] => wordpress-seo/wp-seo.php
[13] => wp-draftsforfriends/wp-draftsforfriends.php
)
Server Mime Types : Array
(
[jpg|jpeg|jpe] => image/jpeg
[gif] => image/gif
[png] => image/png
[bmp] => image/bmp
[tiff|tif] => image/tiff
[ico] => image/x-icon
[asf|asx] => video/x-ms-asf
[wmv] => video/x-ms-wmv
[wmx] => video/x-ms-wmx
[wm] => video/x-ms-wm
[avi] => video/avi
[divx] => video/divx
[flv] => video/x-flv
[mov|qt] => video/quicktime
[mpeg|mpg|mpe] => video/mpeg
[mp4|m4v] => video/mp4
[ogv] => video/ogg
[webm] => video/webm
[mkv] => video/x-matroska
[3gp|3gpp] => video/3gpp
[3g2|3gp2] => video/3gpp2
[txt|asc|c|cc|h|srt] => text/plain
[csv] => text/csv
[tsv] => text/tab-separated-values
[ics] => text/calendar
[rtx] => text/richtext
[css] => text/css
[htm|html] => text/html
[vtt] => text/vtt
[dfxp] => application/ttaf+xml
[mp3|m4a|m4b] => audio/mpeg
[ra|ram] => audio/x-realaudio
[wav] => audio/wav
[ogg|oga] => audio/ogg
[mid|midi] => audio/midi
[wma] => audio/x-ms-wma
[wax] => audio/x-ms-wax
[mka] => audio/x-matroska
[rtf] => application/rtf
[js] => application/javascript
[pdf] => application/pdf
[swf] => application/x-shockwave-flash
[class] => application/java
[tar] => application/x-tar
[zip] => application/zip
[gz|gzip] => application/x-gzip
[rar] => application/rar
[7z] => application/x-7z-compressed
[exe] => application/x-msdownload
[psd] => application/octet-stream
[xcf] => application/octet-stream
[doc] => application/msword
[pot|pps|ppt] => application/vnd.ms-powerpoint
[wri] => application/vnd.ms-write
[xla|xls|xlt|xlw] => application/vnd.ms-excel
[mdb] => application/vnd.ms-access
[mpp] => application/vnd.ms-project
[docx] => application/vnd.openxmlformats-officedocument.wordprocessingml.document
[docm] => application/vnd.ms-word.document.macroEnabled.12
[dotx] => application/vnd.openxmlformats-officedocument.wordprocessingml.template
[dotm] => application/vnd.ms-word.template.macroEnabled.12
[xlsx] => application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
[xlsm] => application/vnd.ms-excel.sheet.macroEnabled.12
[xlsb] => application/vnd.ms-excel.sheet.binary.macroEnabled.12
[xltx] => application/vnd.openxmlformats-officedocument.spreadsheetml.template
[xltm] => application/vnd.ms-excel.template.macroEnabled.12
[xlam] => application/vnd.ms-excel.addin.macroEnabled.12
[pptx] => application/vnd.openxmlformats-officedocument.presentationml.presentation
[pptm] => application/vnd.ms-powerpoint.presentation.macroEnabled.12
[ppsx] => application/vnd.openxmlformats-officedocument.presentationml.slideshow
[ppsm] => application/vnd.ms-powerpoint.slideshow.macroEnabled.12
[potx] => application/vnd.openxmlformats-officedocument.presentationml.template
[potm] => application/vnd.ms-powerpoint.template.macroEnabled.12
[ppam] => application/vnd.ms-powerpoint.addin.macroEnabled.12
[sldx] => application/vnd.openxmlformats-officedocument.presentationml.slide
[sldm] => application/vnd.ms-powerpoint.slide.macroEnabled.12
[onetoc|onetoc2|onetmp|onepkg] => application/onenote
[oxps] => application/oxps
[xps] => application/vnd.ms-xpsdocument
[odt] => application/vnd.oasis.opendocument.text
[odp] => application/vnd.oasis.opendocument.presentation
[ods] => application/vnd.oasis.opendocument.spreadsheet
[odg] => application/vnd.oasis.opendocument.graphics
[odc] => application/vnd.oasis.opendocument.chart
[odb] => application/vnd.oasis.opendocument.database
[odf] => application/vnd.oasis.opendocument.formula
[wp|wpd] => application/wordperfect
[key] => application/vnd.apple.keynote
[numbers] => application/vnd.apple.numbers
[pages] => application/vnd.apple.pages
)
