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Version: 1.x

DB03001: Query Syntax Error

What This Means​

The database query has syntax errors. This typically indicates a bug in the application rather than a user error.

Common Causes​

  • Software bug — An issue in the POS application
  • Version mismatch — Incompatible data schema
  • Corrupted data — Data contains unexpected characters
  • Encoding issues — Character encoding problems

How to Fix​

1. Update the Application​

Ensure you're running the latest version:

  • Check for POS app updates
  • Update the WCPOS WordPress plugin
  • Restart after updating

2. Clear Application Data​

Reset to a clean state:

  • Clear local data/cache
  • Login again
  • Re-sync data

3. Check for Special Characters​

If the error occurs with specific data:

  • Check for unusual characters in product names
  • Look for emojis or special symbols
  • Try with simpler data

4. Report the Bug​

If the issue persists:

  1. Note what action causes the error
  2. Capture any error details
  3. Report on GitHub

This is Usually a Bug​

Query syntax errors are typically bugs in the software, not user errors. If you encounter this:

  • You're not doing anything wrong
  • The development team needs to know
  • A fix will be released in an update

Workaround​

Until a fix is available:

  • Try alternative approaches to accomplish your task
  • Use WooCommerce admin for affected operations
  • Check for updates regularly