A question: about my blockchain pass of rosetta-cli

result.Block.Timestamp is 1602934283637 ==> 2020-10-17 19:31:23,but rosetta-cli tell me :
Command Failed: unable to fetch block 1: timestamp is before 01/01/2000: 0: /block: /block not attempting retry: unable to sync to 117326642: unable to sync to 117326642