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Unable to describe and unable to select a table in hive

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Unable to describe and unable to select a table in hive

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> describe conviva_raw;
Error: Error while compiling statement: FAILED: SemanticException null (state=42000,code=40000)
> select * from conviva_raw;
Error: Error while compiling statement: FAILED: NullPointerException null (state=42000,code=40000)