Can not edit collabora fedarated share linked file

15.0.12 nextcloud , collabora works with all local files but if I share a odt file or another file to this particular federation cloud, I get alwaways Access Forbidden blue message , I see nothing in collabora docker server logs

nextcloud log:
{“reqId”:“bdGRQlf7qXTjdrFIybia”,“level”:3,“time”:“2019-10-29T19:18:52+00:00”,“remoteAddr”:“194.106.108.115”,“user”:“admin”,“app”:“richdocuments”,“method”:“GET”,“url”:"/index.php/apps/richdocuments/index?fileId=29994&requesttoken=n2lQyNQW1gYB%2BvNOh4SwJKrpPqbIyl8iAAp4fS208CI%3D%3A5yoxr%2BQlu1xrkIsv1O%2FcVOWbFfGsnWhNQz0%2BDGTggW8%3D",“message”:{“Exception”:“OCP\Files\NotFoundException”,“Message”:“Failed to connect to remote collabora instance for 29994”,“Code”:0,“Trace”:[{“file”:"/var/www/nextcloud/apps/richdocuments/lib/Controller/DocumentController.php",“line”:229,“function”:“getRemoteRedirectURL”,“class”:“OCA\Richdocuments\Service\FederationService”,“type”:"->",“args”:[{“class”:“OC\Files\Node\File”}]},{“file”:"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",“line”:166,“function”:“index”,“class”:“OCA\Richdocuments\Controller\DocumentController”,“type”:"->",“args”:[“29994”]},{“file”:"/var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php",“line”:99,“function”:“executeController”,“class”:“OC\AppFramework\Http\Dispatcher”,“type”:"->",“args”:[{“class”:“OCA\Richdocuments\Controller\DocumentController”},“index”]},{“file”:"/var/www/nextcloud/lib/private/AppFramework/App.php",“line”:118,“function”:“dispatch”,“class”:“OC\AppFramework\Http\Dispatcher”,“type”:"->",“args”:[{“class”:“OCA\Richdocuments\Controller\DocumentController”},“index”]},{“file”:"/var/www/nextcloud/lib/private/AppFramework/Routing/RouteActionHandler.php",“line”:47,“function”:“main”,“class”:“OC\AppFramework\App”,“type”:"::",“args”:[“OCA\Richdocuments\Controller\DocumentController”,“index”,{“class”:“OC\AppFramework\DependencyInjection\DIContainer”},{"_route":“richdocuments.document.index”}]},{“function”:"__invoke",“class”:“OC\AppFramework\Routing\RouteActionHandler”,“type”:"->",“args”:[{"_route":“richdocuments.document.index”}]},{“file”:"/var/www/nextcloud/lib/private/Route/Router.php",“line”:297,“function”:“call_user_func”,“args”:[{“class”:“OC\AppFramework\Routing\RouteActionHandler”},{"_route":“richdocuments.document.index”}]},{“file”:"/var/www/nextcloud/lib/base.php",“line”:987,“function”:“match”,“class”:“OC\Route\Router”,“type”:"->",“args”:["/apps/richdocuments/index"]},{“file”:"/var/www/nextcloud/index.php",“line”:42,“function”:“handleRequest”,“class”:“OC”,“type”:"::",“args”:[]}],“File”:"/var/www/nextcloud/apps/richdocuments/lib/Service/FederationService.php",“Line”:151,“CustomMessage”:"–"},“userAgent”:“Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18362”,“version”:“15.0.12.1”}
{“reqId”:“lZkwwUzk4IVaVy0dh9Yp”,“level”:2,“time”:“2019-10-29T19:18:52+00:00”,“remoteAddr”:“194.106.108.115”,“user”:“admin”,“app”:“richdocuments”,“method”:“GET”,“url”:"/index.php/apps/richdocuments/open?fileId=29994",“message”:“Failed to connect to remote collabora instance for 29994”,“userAgent”:“Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18362”,“version”:“15.0.12.1”}

Did some more testing, when I take shared link inside federated cloud from file shared by another NC server, I get the link opened but only readonly. All sharing seting are ok, Allow edit and so on.