Sharepoint Online sharing links dissapeared

[MoelNor]

Im administrator for a customers Microsoft365 portal and have set up their Sharepoint sites. As admin I have set that sharing links shuld not expire but now we discovered that a whole lot of sharing links from a document library is gone.

[welcome[bot]]

Thank you for creating the issue! One of our team members will get back to you shortly with additional information. If this is a product issue, please close this and contact the particular product's support instead (see https://support.microsoft.com/allproducts for the list of support websites).

[rootsmusic]

@MoelNor Please see documentation at https://docs.microsoft.com/en-us/sharepoint/ and ask product support.