Seaquel
SQL Server error code

SQL Server error 3260

SQL Server raises error 3260 at severity 16, which marks a problem with the query or data that you can correct.

An internal buffer has become full.
Msg3260
NameDMPIO_BUFFER_OVERFLOW
Severity16
Group3000–3999

What it means

The server is out of memory.

Source: Database Engine events and errors