ORA-30398: illegal JOIN KEY clause
Cause: A JOIN KEY clause was specified that did not conform to certain requirements. A JOIN KEY clause connecting a child level with its non-immediate ancestor level is allowed only when that child level and its ancestor level satisfy the following conditions: 1. The immediate parent of the child level must be a skip level. 2. The child level cannot be a skip level. 3. The ancestor level must be a non-skip level. 4. The ancestor level must be the nearest non-skip level to the child level in the hierarchy.
Action: Modify the JOIN KEY clause so that it satisfies the conditions mentioned above.
Cause: A JOIN KEY clause was specified that did not conform to certain requirements. A JOIN KEY clause connecting a child level with its non-immediate ancestor level is allowed only when that child level and its ancestor level satisfy the following conditions: 1. The immediate parent of the child level must be a skip level. 2. The child level cannot be a skip level. 3. The ancestor level must be a non-skip level. 4. The ancestor level must be the nearest non-skip level to the child level in the hierarchy.
Action: Modify the JOIN KEY clause so that it satisfies the conditions mentioned above.
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