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2024 Technology Preview Program

2024 Technology Preview Program:
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Installation & update
About program installation and update, hardware, operating systems, setup, etc.

Loading conundrum

gpowless
Advocate
For some reason in the last 1 week some of my AC21 updated pln files (these are legacy projects brought forward in many iterations of ARCHICAD) won't load. AC21 crashes after loading a library that I have warnings about being corrupted but have always .

The odd thing is that all the projects open successfully in AC21RC. I am able to save the projects as AC20, then open & resave as AC21 without any problem.

Anyone experience anything similar? Or have any idea what is happening?
Intel i7-6700@3.4GHz 16g
GeForce GTX 745 4g HP Pavilion 25xw
Windows 10 Archicad 26 USA Full
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