Limitations of SLT on ECC Standard Extractor

Hello HANA Experts,

Limitations of SLT on Extracting SAP Standard
Extractor into HANA STUDIO (EX:
0MM_PUR_PO_HDR,ITM, 0FIGL_14..)

Appriciate quick responces..:)

Landscape:

BW on HDB

NATIVE HANA STUDIO

ECC on HDB.