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SQL Server error code

SQL Server error 8994

SQL Server raises error 8994 at severity 16, which marks a problem with the query or data that you can correct.

Object ID %d, forwarded row page %S_PGID, slot %d should be pointed to by forwarding row page %S_PGID, slot %d. Did not encounter forwarding row. Possible allocation error.
Msg8994
NameDBCC3_MISSING_FORWARDING_ROW
Severity16
Group8000–8999

What it means

A forwarded row in a heap is missing the forwarding row that should point to it.

Source: Database Engine events and errors