SAP Message /ISDFPS/MM_CS035 - From material &1, blocked stock still exists in plant &2/&3

System Response
When you switch systems, the blocked stock cannot be transferred to theother system automatically.

Procedure
Transfer the blocked stock in the source system tothe unrestricted-use stock and execute the system switch again. In thetarget system, you can post unrestricted-use stock back to the blockedstock, if required.