Here is my project:
(minimal project to reproduce this problem)
Try to:
- Open Test_Import project in archive
- Open map Main (if not opened by default)
- Check what world configured as “Enable World Composition”
- At Menu “Levels” call “Import Tiled Landscape”
- Set included material in poroject (“Landscape_Automaterial_Inst”) and select all heightmaps on folder “Content/Source” such as on Screenshot_1
- Press Import
- After importing chunks. Process like on Screenshot_2
- Processing window dissapear and editor will stucked and no response. Screenshot_3
If trying to debug Main thread - Editor was stucked at while Tick in TreeWidget Screenshot_4