제가 아래와 똑같은 에러를 만났는데 해결방법이 없을까요?

platform: x86 Solaris8, oracle 8i(8.1.5)

%dbassist

하면 아래와 같은 에러발생

java.lang.StringIndexOutOfBoundsException: String index out of range: -1

at java.lang.String.substring(String.java)

at WizOSD.DBQueryAvailableRAM(WizOSD.java:271)

at CheckerClass.CheckAvailableRAM(CheckerClass.java:484)

at CheckerClass.DetectAll(CheckerClass.java:63)

at DBConfigInfo_base.<init>(DBConfigInfo_base.java:901)

at DBConfigInfo.<init>(DBConfigInfo.java:49)

at DBCreateWizard.<init>(DBCreateWizard.java:422)

at DBCreateWizard.main(DBCreateWizard.java:1083)