2472827 - Error SQL5702 & SQL3073 reported during migration - SAP BW on ASE

• You are in process of migrating your BW system from a non-SAP database to SAP ASE
• The import process is terminating with following error messages:

========================ERROR-1==========================
DbSlExecute: rc = 99  ( SQL error 5702 )  error message returned by DbSl:[ ASE Error SQL5702 ][SAP][ASE ODBC Driver][Adaptive Server Enterprise] ASE is terminating this process.
========================ERROR-1==========================

========================ERROR-2==========================
DbSlExecute: rc = 99  ( SQL error 30273 )  error message returned by DbSl:[ ASE Error SQL30273:08003 ][SAP][ASE ODBC Driver] Attempting to use a dead connection in Commit.
========================ERROR-2==========================

• From import logs we can see errors reported when trying to create index, ie:

  (DB) ERROR: DDL statement failed
  ( CREATE UNIQUE INDEX "/BIC/<index_name>" ON "/BIC/<table_name>" ( "<column>") )
  DbSlExecute: rc = 99
  (SQL error 1972)
  error message returned by DbSl:
  [ASE Error SQL5702][SAP][ASE ODBC Driver][Adaptive Server Enterprise]ASE is terminating this process.
  (DB) ERROR: DDL statement failed
  (IF EXISTS(SELECT 1 FROM sysindexes i, sysobjects o WHERE ..........)
  DbSlExecute: rc = 99
  (SQL error 30273)
  error message returned by DbSl:
  [ASE Error SQL30273:08003][SAP][ASE ODBC Driver]Attempting to use a dead connection in Commit.
  (DB) ERROR: DDL statement failed

• The "B. Preparation in the source system" from SAP Note 2103871 had been completed, but while executing report SMIGR_CREATE_DDL you get warning / error message "F fact tables with too many DB partitions" 

• SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0 for Business Suite
• SAP Business Warehouse - All versions 

KBA , BW-SYS-DB-SYB , BW on Adaptive Server Enterprise , Problem