Create new shapefiles based on unique values in attribute table

I created this ArcGIS Model Builder function to solve the situation with imported dwg file from AutoCAD. This new imported shapefile contains all CAD layers and I wanted to separate them into new shapefiles.

This function could end with error 000354. It is caused by invalid characters such as space, dash, etc in layer names. Consider using underscore in place of space. Easy way to change these characters is using Replace tool (CTRL+F) in Attribute Table of original shapefile but it is possible only in editing mode (Start Editing).
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