Please submit clarification reg contribution which has been received after date of leaving

I submitted Form-10C and Form-19. But it is rejected due to following reason.
"Claim Rejected PLEASE SUBMIT CLARIFICATION REG CONTRIBUTION WHICH HAS BEEN RECEIVED AFTER DATE OF LEAVING"
I can't able to find this reason or related enquiry on the internet. Please help me out to understand the reason so that I can resubmit form again.
9th October 2020 From India, New Delhi

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It seems that your employer might have submitted the contributios late after your leaving the organisation.
Seek clarification from your employer.
Meet concerned epfo in person.
May be a letter in this regard would be required to be submitted jointly by you and your employer.
9th October 2020 From India, Vadodara