3664683 - Fiori 2.0 Timeheet Apps: Syntax error when applying SAP Notes 3635587 and 3643832

Attempting to apply SAP Notes 3635587 and 3643832 results in one or more of the following activation errors: 

• Type HCMFAB_S_TIMESHEET_ADD_FIELDS is unknown.
• The data object "<LS_PROFILE_INFO>" does not have a component called "BADI_CHECK_FLAGS"
• The data object "LS_ENTITYSET" does not have a component called "NOASSIGN"

• SAP ERP
• SAP S/4HANA

syntax error, SAP Note 3635587, SAP Note 3643832, SAP Note 3113260, SAP Note 3129153, SAP Note 3063515, HCMFAB_S_TIMESHEET_ADD_FIELDS, CL_HCMFAB_APR_TIMESHEE_DPC_EXT, SE24, SAP S/4HANA, program syntax error, missing structure, prerequisite note, manual steps, BADI_CHECK_FLAGS, <LS_PROFILE_INFO>, NOASSIGN, LS_ENTITYSET, APPROVALFIELDSSE_GET_ENTITYSET, PROFILE_GET_DEEP_ENTITY. , KBA , PA-FIO-TS , My Timesheet / Approve Timesheet , Known Error