A red cross on a sprite in Unity is a visual indicator of an error, and is most often associated with texture loading issues or an incorrect material setup. Here are the main reasons why this might happen:
IfTransform.scale.xorTransform.scale.yare negative, Unity may interpret this as an inverted object.
In 2D this can result in the sprite not rendering, especially if the Shader does not support inverted UVs.
In UI (Canvas), elements withRectTransformcan get negative sizes due to incorrect anchoring (Anchors) or calculations.
This may result in the element not being displayed at all.
If a sprite is scaled minus but not flippedFlip X/Y, it may cause a rendering error.
The sprite or material references a texture that has been deleted, moved, or not loaded.
Check that the texture actually exists in the project and is linked correctly.
A Shader is used that does not support 2D rendering or requires additional parameters.
Try changing the Shader toSprites/Defaultor another standard one.
The image format is not supported or the import was unsuccessful.
Check your import settings:Texture Typethere should beSprite (2D and UI).
The material may be damaged or configured incorrectly.
Delete the material and create a new one with the correct Shader.
The sprite can be behind other objects or outside the camera.
CheckSorting LayerandOrder in Layer.
The sprite color can be set to fully transparent (Color.a = 0).
Make sureColorit is set to(1,1,1,1)or another visible color.
The object may be out of the camera's field of view or turned off.
CheckTransformtheActivestatus andCamera Culling Mask.
CheckTransform → Scale. Make sure all values are positive.
If you want a mirror effect, useSpriteRenderer.flipXorflipY, not negativescale.
OpenRectTransformand checkWidthandHeight. If they are negative, it's a bug.
CheckAnchorsandPivot. Sometimes incorrect binding causes inversion of sizes.
UseLayoutElementorContentSizeFitterif the dimensions are calculated dynamically.
Select an object →Inspector → Transform
EstablishmentsScalein(1,1,1)
Make sure itSpriteis set andColor.a > 0
In UI - checkRectTransformandAnchors
Select the object → checkSprite Renderer→ make sure itSpriteis set.
Check your console for errors - Unity often gives you a hint as to the cause.
Try temporarily replacing the sprite with another one to see if it displays.
If you use URP or HDRP, make sure the materials and settings are compatible.
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