The selected source region is deleted from the list of possible quantization templates, removing it from the Quantize pop-up menu. The region is not removed.
Without changing the actual quantization of that region (or of any other region that may use that groove template), the previously selected groove template is deleted, and the region is set to the Quantize value “off (3840).”
In Logic Pro, copy or create your source regions in one project.
Name these regions with the Text tool.
Open the Quantize pop-up menu, then choose Make Groove Template for each source region (or use the corresponding PDF
Control Surfaces Support Guide: PDF