3261273 - Unable to view subcontracting components with multiple schedule lines

The purchase order with item category 'L' for sub contracting has been created. 
In the change purchase order - advanced APP, when try to navigate to the Item > 
Material Data, the subcontracting components can be accessed via the 'Bill of Material' icon. 
There are some cases where the icon is missing and the components cannot be checked or changed. 

SAP S/4HANA Cloud Public Edition - All versions 

1) Create a Subcontracting Purchase Order via Create Purchase Order - Advanced (ME21n) 
2) Open the PO Display Purchase Order - Advanced (ME23n)
3) Go to the Material Data TAB 
4) The Bill of material icon is missing from the screen 

Multiple Schedule lines. 
If the delivery dates are spread across more than one schedule line then the screen field in the material data TAB is suppressed.
 
 

The  components are maintained per schedule line in this case, so access to the components is found under the Delivery Schedule Tab. 

LMEPOF8D, lclfs_mmmfd_bom, LCL_1319_VIEW_MM, LMEGUICI5, mmmfd_bom, metafield 236, MM06EFLB_MDPM_MAINTAIN, ME_COMPONENTS_MAINTAIN, multiple schedule lines, Not possible to determine any components, ME154 

 

, KBA , MM-PUR-GF-SCR-2CL , Subcontracting in Purchasing (Repair) (Public Cloud) , MM-PUR-GF-SCR , Subcontracting in Purchasing (Repair) , Problem

SAP S/4HANA Cloud 2208