From what I remember, the WebP plugin tries to use the system's WebP library on Linux (e.g. apt-get install webp).
Can you check if that works? (and if so, the error message should be improved to be more descriptive).
From what I remember, the WebP plugin tries to use the system's WebP library on Linux (e.g. apt-get install webp).
Can you check if that works? (and if so, the error message should be improved to be more descriptive).