Currently using FastLED 3.1.8 with esp32 but when I want to use FastLED.show() it

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Currently using FastLED 3.1.8 with esp32 but when I want to use FastLED.show() it causes the esp32 to crash.
Now I managed to make it work with disabling the interrupt, but the timing is really bad.
Different colors are shown.

https://imgur.com/a/CbfL0W2

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See https://plus.google.com/+MarcMERLIN/posts/CreJe4oHnP7 and https://github.com/samguyer/FastLED