R3trans error

Refreshed system giving below R3trans -error . environment varialbles .dbenv.sh is already in place. This is R3trans version 6.05 (release 46D - 10.06.11 - 13:57:00). 2EETW169 no connect possible: "invalid values set for DIR_LIBRARY '/usr/sap/QD1/SYS/exe/run ' or dbms_type 'DB6'" R3trans finished (0012). Please share your thoughts. thanks, -csk