Aluminium countersinkbit for metal

In the Stretch function, the General tab has an Output Pixel Type parameter. Make sure that the pixel type in the function matches the pixel type of the mosaic dataset. Using the Raster Functions Batch Editor to insert or edit the Stretch function can be helpful.

Aluminium countersinkbit

Alternatively, you can open the Mosaic Dataset Properties page and edit the pixel depth property to match the pixel depth of the mosaic dataset items.

The pixel type of the raster associated with the mosaic dataset item indicates that the raster's radiometric range might be too low for the pixel type defined for the mosaic dataset.