Unexcepted chink number

[shaikdilip]

Hi All i get this error

unexpected chunk number 1048647 (expected 0) for toast value 998572 in pg_toast_466952

when i taken backup of the database that time i got above error.
please give any suggestion for windows environment side.\

i worked as a windows environment. so give me any suggestions.

Thanks & Regards,
Dilip Shaik.