Problem persisting data or accessing data in ODK Aggregate

Dear,I need assistance in the following issue. data is not present in aggregate but this errors comes. how can i resolve the issue.

Error: Problem persisting data or accessing data (Attachment errors: SELECT * FROM E_LQAS_NEAP_16_17_IMAGESTART_BN9 WHERE _TOP_LEVEL_AURI = uuid:a27d0f38-67da-49b8-a461-a2d489283d02 AND _PARENT_AURI = uuid:a27d0f38-67da-49b8-a461-a2d489283d02 is missing an attachment instance OR has extra copies.)

Hi Waqar! It's great to see you on the forum. When you get a chance, please introduce yourself here. I'd also encourage you to add a real picture as your avatar because it helps build community!

I know you've already solved this problem, but just so others know, the steps for fixing this is outlined at