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Power BI Refresh Error:
42000

What does this error mean?

A general error class covering SQL syntax errors or privilege violations that prevented the statement from executing.

Common causes

  • 1SQL query has a syntax error not caught by the specific 42xxx subcode
  • 2User lacks the privilege to execute the statement
  • 3Statement violates a security policy or row-level security rule

How to fix it

  1. 1Step 1: Read the DETAIL in the error message — it usually specifies whether it is a syntax or permission issue.
  2. 2Step 2: For syntax errors, validate the SQL in a query tool connected directly to PostgreSQL.
  3. 3Step 3: For permission errors, check `\dp <table>` to see the privilege matrix.

Frequently asked questions

How do I prevent 42000 errors in automated pipelines?

Add retry logic with exponential backoff, validate data quality before loading, and monitor pipeline failures in MetricSign to catch this error early.

Official documentation: https://www.postgresql.org/docs/current/errcodes-appendix.html

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