Avidemux 2.8.2 250526 Unable To Load LUT cube File

[DapOrp]

Attempting to load 3D LUT file:

DJI OSMO Action 5 Pro D-Log M to Rec.709 V1.cube

results in:

Load Failed
Incomplete file

[eumagga0x2a]

Is the failure to load the LUT file specific to this particular build?

In any case please provide the file for inspection and testing either as attachment to your reply or, when too large for that, by means of the link sharing feature of Google Drive, or via Dropbox, or Mega.