Freeze Order messages & processing
I've two  questions regarding planning system configuration. 
1- Can we freeze order message without processing it? use to generate lower level demand in MPS and freeze demand in MRP.
2- Can we process work order message using dummy work order type just for updating message flag Y without generating record in P48013? Also without creating impact on my planning calculation? because actual work order use only WO document type. 
Thanks in advance
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