R3trans.log file

4 ETW000 R3trans version 6.14 (release 700 - 18.09.06 - 09:35:00).

4 ETW000 unicode enabled version

4 ETW000 ===============================================

4 ETW000

4 ETW000 date&time   : 17.06.2016 - 11:53:59

4 ETW000 control file: <no ctrlfile>

4 ETW000 R3trans was called as follows: R3trans -d

4 ETW000  trace at level 2 opened for a given file pointer

4 ETW000  [dev trc     ,00000]  Fri Jun 17 11:54:03 2016                                  0.000000

4 ETW000  [dev trc     ,00000]  db_con_init called                                        0.000000

4 ETW000  [dev trc     ,00000]  create_con (con_name=R/3)                                 0.000000

4 ETW000  [dbcon.c     ,00000]  *** ERROR => Invalid profile parameter dbms/type (or environment variable dbms_type) = <undef>, cannot load DB library

4 ETW000                                                                                  0.000000

2EETW169 no connect possible: "connect failed with DBLI_RC_LOAD_LIB_FAILED."

please help me