3350626 - Error occurs when trying to create plant MRP area

Below error occurs when trying to create plant MRP area in SSCUI 103068:

• Plant MRP area XXXX in plant XXXX does not exist (Message no. MD06101)
• Invalid namespace for MRP Area
• Plant MRP area and plant must have the same name

Or there is no default plant MRP area in this SSCUI even if scope item 1BM has been activated. 

SAP S/4HANA Cloud Public Edition

Plant level MRP area is created automatically by the system when there are planning data in the plant.

• Create the first material in this plant and maintain the MRP relevant data in the master data.
• Create the planning file entries for the plant in Create Planning File Entries app.

MD06101, Invalid namespace for MRP Area, 103068, planning file entry, master data, automatically , KBA , PP-MRP-2CL , Material Requirements Planning (Public Cloud) , PP-FIO-MRP-2CL , Fiori UI for Material Requirements Planning (Public Cloud) , Problem