Client indicates that LF used to autoname imported files using Long Date format. Recently this appears to have changed for them. If they utilize token formatting similar to the workflow examples it no longer uses the token but rather just names the file 'raw' (see screenshots).
Fig 1. LF 9.1 Client (File > Import)
Fig 2. Importing
Fig 3. File that is created upon completion.
As you can see it no longer utilizes Date as a token but rather just as a raw string.
Note: using %(Date) works just fine and creates the following file: