How can I compose two or more images side-by-side?

Yes, that’s the error.

And what about the “Create”-menu?

.M

I found a few reports about related errors - all at least 5 years old. Strange,
Could you install a newer version. Git or from some ppa?

.M

Gimp / gmic: Layers-Tiles to layers

kuva

Hi, have you tried increasing the memory allocated to Image Cache in LibreOffice settings. This may help you.

No.
I switched to using Slidy (HTML solution). Much easier. Works a charm.