2181942 - Error "R3load.exe -testconnect exits..." during Import ABAP phase - SAP ASE for Business Suite

• SAP system is not starting, despite the fact that SAP ASE database is up and running.
• Following error appears during Import ABAP phase:

R3load.exe -testconnect exits with error code 2. For details see log file(s) R3load.exe.log.)

• From R3load.exe.log, you find this error message:

<drive>:\usr\sap\<SYSID>\SYS\exe\uc\NTAMD64\R3load.exe: START OF LOG: 20150616131514
<drive>:\usr\sap\<SYSID>\SYS\exe\uc\NTAMD64\R3load.exe: sccsid @(#) $Id: //bas/721_REL/src/R3ld/R3load/R3ldmain.c#12 $ SAP
<drive>:\usr\sap\<SYSID>\SYS\exe\uc\NTAMD64\R3load.exe: version R7.20/V1.6 [UNICODE]
Compiled Mar 14 2015 00:51:41
patchinfo (patches.h): (0.419) DB2 z/OS: SWPM: SQLCODE -913: ALTER TABLE SVERS ADD PRIM (note 2138220)
process id 4220
<drive>:\usr\sap\<SYSID>\SYS\exe\uc\NTAMD64\R3load.exe -testconnect
(PRC) INFO: working directory "C:\Program Files\sapinst_instdir\SOLMAN71\SYSTEM\SYB\CENTRAL\AS"
(DB) ERROR: db_connect rc = 256
(DB) ERROR: DbSlErrorMsg rc = 99
<drive>:\usr\sap\<SYSID>\SYS\exe\uc\NTAMD64\R3load.exe: job finished with 1 error(s)
<drive>:\usr\sap\<SYSID>\SYS\exe\uc\NTAMD64\R3load.exe: END OF LOG: 20150616131515

• From trans.log, you find this error message:

4 ETW000 R3trans was called as follows: R3trans.exe -d -t4
4 ETW000  trace at level 4 opened for a given file pointer
4 ETW000  [     dev trc,00000]  Tue Jun 16 16:24:16 2015                                                 119  0.000119
4 ETW000  [     dev trc,00000]  db_con_init called                                                        29  0.000148
4 ETW000  [     dev trc,00000]  set_use_ext_con_info(): rsdb/ssfs_connect not set => ssfs not used        47  0.000195
4 ETW000  [     dev trc,00000]  determine_block_commit: no con_hdl found as blocked for con_name = R/3
4 ETW000                                                                                                  22  0.000217
4 ETW000  [     dev trc,00000]  create_con (con_name=R/3)                                                 15  0.000232
4 ETW000  [dbcon.c     ,00000]  *** ERROR => Invalid profile parameter dbms/type (or environment variable dbms_type) = <undef>, cannot load DB library
4 ETW000                                                                                                  56  0.000288
4 ETW000  [  twglobal.c,13649]   { tw_errflag_error:                                                      58  0.000346
4 ETW000  [  twglobal.c,13653]   } tw_errflag_error:                                                      12  0.000358
2EETW169 no connect possible: "connect failed with DBLI_RC_LOAD_LIB_FAILED."
4 ETW000  [   twosdep.c,00717]   { my_exit:                                                              686  0.001044

• SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
• SAP Solution Manager (SOLMAN) 7.1
• Windows Server 2012 R2

dbms_type, R3load, testconnect , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem