Ubuntu – GIMP: TIFF save cannot handle indexed images with alpha channel

gimp

When I wanted to save TIFF file, I got this message box:

TIFF save cannot handle indexed images with alpha channel

Although I had no alpha layer.

Here is an example which cannot be exported to TIFF file because of a not-existing alpha channel

It seems to be a bug – I do not know – the only remedy is:

Ebene/Ebene auf Bildgröße and export as TIFF afterwards.

Best Answer

If this doesn't work:

menu ⇒ image ⇒ fit canvas to layers

then try: 

menu ⇒ image ⇒ flatten image
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