Duplicate resources hatası ...

Merhaba arkadaşlar , android studioda projemi build ederken şu şekilde hatalar alıyorum . sebebi nedir acaba ?

Error:Execution failed for task ':zbrj:mergeDebugResources'.
> [string/save] C:\zbrj\zbrj\src\main\res\values\strings.xml [string/save] C:\zbrj\zbrj\src\main\res\values\zbrj_strings.xml: Error: Duplicate resources
[color/gray_c2] C:\zbrj\zbrj\src\main\res\values\colors.xml [color/gray_c2] C:\zbrj\zbrj\src\main\res\values\video_colors.xml: Error: Duplicate resources
[color/gray_c4] C:\zbrj\zbrj\src\main\res\values\colors.xml [color/gray_c4] C:\zbrj\zbrj\src\main\res\values\video_colors.xml: Error: Duplicate resources
[color/gray_c7] C:\zbrj\zbrj\src\main\res\values\colors.xml [color/gray_c7] C:\zbrj\zbrj\src\main\res\values\video_colors.xml: Error: Duplicate resources
[color/gray_c8] C:\zbrj\zbrj\src\main\res\values\colors.xml [color/gray_c8] C:\zbrj\zbrj\src\main\res\values\video_colors.xml: Error: Duplicate resources
[color/red_c6] C:\zbrj\zbrj\src\main\res\values\colors.xml [color/red_c6] C:\zbrj\zbrj\src\main\res\values\video_colors.xml: Error: Duplicate resources
[color/red_c3] C:\zbrj\zbrj\src\main\res\values\colors.xml [color/red_c3] C:\zbrj\zbrj\src\main\res\values\video_colors.xml: Error: Duplicate resources
[string/blacklist] C:\zbrj\zbrj\src\main\res\values\strings.xml [string/blacklist]