https://userapps.support.sap.com/sap/support/knowledge/en/1998094
1998094 - Multiple Productive Clients - SCC4 | SAP Knowledge Base Article
A production client already exists in the system (SCC4), but you want to create another. You will get a a warning message that says "A production client...
sap knowledgemultipleproductiveclientsbase
https://userapps.support.sap.com/sap/support/knowledge/en/3507767
3507767 - You get "Client 66 cannot be a customer client" when creating client 066 in SCC4 | SAP...
For some reason you are trying to create the client 066 in SCC4 and you get this error message: "Client 66 cannot be a customer client"
https://userapps.support.sap.com/sap/support/knowledge/en/3681672
3681672 - SCC4 - Protection levels of Client Copy and Comparison Tool Protection | SAP Knowledge...
Further information required about the meaning of Protection levels of "Client Copy and Comparison Tool Protection" in SCC4: P rotection level 0: No...
protection levels
https://powerconnect.atlassian.net/wiki/spaces/POW/pages/3658743878/SCC4+-+SAP+clients+overview
SCC4 - SAP clients overview - PowerConnect for SAP Solutions - Confluence
clients overviewfor solutionssappowerconnectconfluence