Saving to external storage quits the app

[0xEAB]

When I try to save a drawing to my SD card, the app just closes (after selecting the target directory in Simple File Manager) and takes my drawing with it.
Saving to internal storage works fine, though.

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Device: moto g(7) power running Android 10
App: 6.9.6 Pro (from F-Droid)

[Maxitendo1]

@0xEAB SimpleMobileTools apps were sold to ad and spyware company. Fork is here:

https://github.com/FossifyOrg

[0xEAB]

Kindly note that Fossify has not released any builds of the Draw app yet.