ORA-56716: Category string does not exist
Cause: A non-existent category was specified as an argument to a procedure in the package, DBMS_RESOURCE_MANAGER.
Action: Specify an existing category name or create a new category with this name.
ORA-56716是一个Oracle的运行时错误，由错误码提示消息出现： Category string does not exist。
ORA-56716: Category string does not exist
Cause: The specified category was not found.
Action: Check the category name spelling, and verify that the category exists.
1.检查类别名称的拼写是否正确。
2.验证对应的类别是否存在。
3.如果拼写是正确的，可以尝试重新建立类别。