Error suggestions please

[Remo Mattei]

May 25 15:01:27 imap(xxxxx at italy1.com)<10256><LsrOdL2J3uisCqP7>: Error: Mailbox INBOX: UID=208: read(/home/vpopmail/domains/italy1.com/xxxxx/Maildir/cur/1154731221.9257.azz.italy1.com,S=26421:2,S) failed: Cached message size smaller than expected (26421 < 26511, box=INBOX, UID=208) (read reason=mail stream)
May 25 15:01:27 imap(xxxxxx at italy1.com)<10256><LsrOdL2J3uisCqP7>: Error: Corrupted record in index cache file /home/vpopmail/domains/italy1.com/xxxxx/Maildir/dovecot.index.cache: UID 208: Broken physical size in mailbox INBOX: read(/home/vpopmail/domains/italy1.com/xxxxx/Maildir/cur/1154731221.9257.azz.italy1.com,S=26421:2,S) failed: Cached message size smaller than expected (26421 < 26511, box=INBOX, UID=208)
May 25 15:01:27 imap(xxxxxx at italy1.com)<10256><LsrOdL2J3uisCqP7>: Panic: file istream.c: line 315 (i_stream_read_memarea): assertion failed: (old_size <= _stream->pos - _stream->skip)

Can someone tell help on how to fix this issue.

Thanks 

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