Oracle Message ORA-01041 - internal error. hostdef extension doesnt exist ORA-01041 NOTES ERRORinternal error. hostdef extension doesnt exist CAUSEPointer to hstdef extension in hstdef is null. ACTIONReport as a bug 101315INST: 4.0B R/3 Installation on UNIX142990INST: 4.5B R/3 Installation on UNIX149060INST: 4.0B SR1 R/3 Installation on UNIX