MAJ (ouf HoupaHⓒ), c'est un pb connu entre FB et dlvr.it cf le case
Known Facebook Issue - 1/26/2018
dlvr.it is aware of an issue with Facebook that is causing problems for some users.
This issue is causing older posts to not be visible for some users. It also causing attempts to post to Facebook to fail or be delayed.
We are aware of the problem and are working to resolve it. We will continue to post update here as we make progress.
Quasiment toutes celles depuis août 2017.
Côté mon "user" FB qui own la page, j'ai juste reçu 4 notifs genre
Bon ben wait and see / c'est la vie qu'on dira.