Note: This section applies when “SSIS‑308” is a product part number (e.g., from a supplier like Digi‑Key, Mouser, or a proprietary OEM). If you meant something else, feel free to ignore this part.
The 308 identifier is not a generic “error code”; it is a message template ID used by the SSIS engine. The text that follows varies with the component that raised the message. The most frequent families are: ssis308
| Message family | Typical text (example) | Why it occurs |
|----------------|------------------------|---------------|
| Validation failure | “The component “OLE DB Source” failed the validation and will not be executed. The error is: The connection manager … is not configured.” | The component’s Validate method returned DTSValidationStatus.VS_ISBROKEN. |
| Data‑flow warning | “[Data Flow Task] Warning 308: The number of rows written to the destination exceeds the buffer size.” | Buffer‑size mis‑configuration or high‑throughput causing row‑count overflow. |
| Package‑level warning | “The package contains a deprecated property ‘RunInOptimizedMode’; consider removing it (Message 308).” | Compatibility issue with newer SSIS versions (e.g., 2019 → 2022). |
| Custom component | “[MyCustomTransform] 308: Unexpected null value in column ‘CustomerID’.” | A developer‑written component is using the generic 308 ID for its own diagnostics. | Note: This section applies when “SSIS‑308” is a
Take‑away: Message 308 is a “catch‑all” placeholder used by many components; you must read the full message text to know the exact problem. The 308 identifier is not a generic “error
Set your SSIS package logging to Verbose. In the SSIS Catalog, right-click the execution, go to Reports → All Executions, and review the Messages pane. Look for the exact string passed to the File System Task.