SFMC Automation Error: Automation failed due to system error.
Recently, I encountered an automation that repeatedly failed during a Query activity, with the dreaded error message: “Automation failed due to system error.” Despite my best efforts to modify the query and explore other avenues, I couldn’t resolve the issue. Naturally, I turned to Google for answers. The majority of responses pointed to common culprits: Primary Key Violation : If your query generates duplicate rows that violate the primary key constraints, it can lead to failure. Inserting Null Values : Attempting to insert null values into non-nullable fields can trigger errors. Data Truncation : Inserting values longer than the field allows (resulting in truncation) can cause issues. Timeouts : If your query exceeds the 30-minute timeout window, it will fail. Despite checking my query against these possibilities, none seemed to fit my case. Desperate for a solution, I contacted Salesforce support. Their investigation uncovered a critical detail: an ‘Invalid length parameter pass