ORA-25461: rule set not specified
Cause: An attempt to evaluate was made, which failed because the ruleset name specified was null.
Action: Check the rule set name, and try again with a valid name.
ORA-25461: rule set not specified 错误指示您未指定任何规则集，就试图重用以前创建的规则集或规则。
ORA-25461: rule set not specified
Cause: Ruleset name not specified.
Action: Specify a ruleset name in the call.
1.检查您正在使用的SQL语句，确保您正确指定规则集名称。
2.使用完整的规则集名称进行参数设置，例如RULE SET，RULE SET RULES，RULE SET ACTION等。
3.重新执行该SQL语句，确认没有任何错误发生时，再提交到数据库服务器中执行。