I want to share my experience. I solved the no thumbnail image error for uploaded file, after installing iZap Video plugins. I used the plugin iZap video https://elgg.org/plugins/384975 and elgg version is 1.11.4.
After install iZap Video,that is working properly. File upload is working properly. But no thumbnail image in file. I commented out the following lines at elgg/mod/izap-videos/start.php .
# else {
# global $IZAPSETTINGS;
# $url = $IZAPSETTINGS->graphics . 'no_preview.jpg';
# $url = elgg_trigger_plugin_hook('file:icon:url', 'override', $params, $url);
# return $url;
# }
Line 356 to 361
And thumbnail image back. Please let me know if i am wrong.
Thank you all, elgg and all plugin creators.
(sorry for bad english)
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