The root cause is rarely the SSIS package itself. Instead, it stems from permission mismatches, file locking, network latency, or the SQL Server Agent service account lacking proper rights.
"SSIS Error Code DTS_E_BUFFERALLOCATIONFAILED. The buffer manager cannot allocate enough memory to run the package." ssis181 fixed
The code-like title "SSIS181" raises questions about the context and inspiration behind the piece. Here are a few possibilities: The root cause is rarely the SSIS package itself
public void Main()