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Post Process Volume bug

Issue with PostProcessVolume/Color Grading in 4.16

  1. Run a clean project.

  2. Make a Post process Volume.

  3. Go to Color Grading/Global(But this also happens in all other sections of Color Grading).

  4. Check contrast box(Or any other parameter).

  5. Type a value in any field.

  6. Play and this message is displayed:"Can't play in editor when performing edit x operation".

  7. Close editor without saving and engine crash.

The issue occurs only typing from the keyboard, it does not happen by changing the parameters with the mouse.

Product Version: UE 4.16
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asked May 27 '17 at 10:48 AM in Bug Reports

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avatar image Yatima1460 May 28 '17 at 03:43 PM

The same is happening to me.

If you modify the value in the field by typing it directly the engine will crash if you close it without saving.

If you modify the value in the field by dragging the arrows on the right the engine will not crash.

Also the engine will not crash if you click on the color wheel.

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1 answer: sort voted first

Hello Renderboy,

Thank you for submitting a bug report. I have reproduced this issue and logged a report for it here


You can track the report's status as the issue is reviewed by our development staff. Please be aware that this issue may not be prioritized or fixed soon.

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answered May 30 '17 at 08:01 PM

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Thomas G ♦♦ STAFF
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avatar image rickdlol Aug 29 '17 at 10:00 AM

That's not very promising.

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