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After restart UE, Static mesh lightmap is totally different, why is that?

Model is imported by datasmith from vred. UE4.21

After import, it is perfect. as in P1

then I save and restart the program, the lightmap seems completely destroyed everywhere. as in P2

Same model, same file. Just a reopen , I did nothing else. Why is that?

alt text

alt text

Product Version: UE 4.21
Tags:
capture3.png (747.5 kB)
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asked May 18 '19 at 01:17 PM in Bug Reports

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cvgraphy
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avatar image Jeff A ♦♦ STAFF May 20 '19 at 12:32 PM

Hello,

We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks

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answered May 18 '19 at 02:08 PM

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Podgyhodgy
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avatar image cvgraphy May 18 '19 at 02:13 PM

No, I did not do any re- import.

same file, close UE4, and re open. comes this problem.

avatar image Makigirl May 18 '19 at 02:18 PM

Are you sure it's not like a streaming pool over x error, but you've just turned off the error messages?

avatar image cvgraphy May 19 '19 at 03:37 AM

no error messages has been seen

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