Flickering animations may be caused by another mod editing the same tile space.

For example : 
The prismatic Test animation on CP-animations
And this mod Prismatic Shard

you fix it by removing/disabling one


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Know conflicts with SpriteMaster.
A know problem by both mod makers.  Cp-Animation and SpriteMaster
"Looked into"

Conflict : Flickering images
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Since the 1.5 version of this mod,  Delete the previous versions, for a cleaner file structure.


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Content Patcher Animations has been optimized after 1.5.6 game version, and is still maintained.