She traced the source of RegionCode . It was a foreign key to a lookup table, Dim_Region , populated nightly by another SSIS package called RegionSync . Emma opened that package’s logs.
[06/13/2026 01:45:12] Warning: SSIS Warning Code 0xC0047013 at Lookup [RegionLookup] : The lookup operation returned no matching entries for the following keys: (RegionCode = 0). A warning, not an error. But now she was seeing a cascade of NULL region codes, which caused the RevenueRollup package’s to fail when FailComponentOnError was set to True . The package then threw SSIS‑308 , bubbling up the failure to the job. ssis-308
And so, the case of was closed, but the story lived on as a reminder that in the world of data pipelines, timing is everything—and a little resilience can save a whole night’s work. Moral of the story: When an SSIS package throws the cryptic “SSIS‑308” error, look beyond the immediate component. Often the failure is a symptom of a larger orchestration issue—race conditions, missing lookups, or even a simple clock change. Build explicit dependencies, make lookups tolerant, and always log the “when” as much as the “what.” She traced the source of RegionCode
[06/13/2026 02:01:03] SSIS Package: RevenueRollup.dtsx [06/13/2026 02:01:03] Error: SSIS Error Code 0xC0202009 at Data Flow Task, OLE DB Source [1]: SSIS Error Code DTS_E_OLEDBERROR. The OLE DB provider "SQLNCLI11" for linked server "(null)" reported an error. [06/13/2026 02:01:04] Error: SSIS Error Code 0xC0047038 at Package: The maximum number of errors that can be returned by an error source has been reached. [06/13/2026 02:01:04] Error: SSIS Error Code 0xC0047038 at Package: The maximum number of errors that can be returned by an error source has been reached. [06/13/2026 02:01:04] Error: SSIS Error Code 0xC0047038 at Package: The maximum number of errors that can be returned by an error source has been reached. [06/13/2026 02:01:04] **Error: SSIS-308 – The data flow task failed to complete successfully.** Emma’s heart skipped a beat. —the dreaded “data flow task failed” message that usually meant something deeper was wrong. She’d seen the code before, but never in a production run. She took a deep breath, poured another cup of coffee, and began her investigation. Chapter 2 – The First Clue Emma opened the Data Flow Designer and inspected the OLE DB Source that queried the Fact_Transactions table. The SQL statement was simple: The package then threw SSIS‑308 , bubbling up