SAP Message SNAV014 - Index &2 is still used as a reference index and cannot be deleted

Diagnosis You want to delete index &V2& ofnavigator client &V1& inthe language &V3&. However, this index is still used as a referenceindex for other indexes (for example, &V4&). Procedure Delete all indexes that use index &V2& as a reference index innavigator client &V1& in the language &V3&. You can then delete indexV2.