The error "AssertionError: precision_rounding must be positive, got 0.0" occurs when Odoo encounters a precision_rounding value of 0.0 during a computation. This typically happens due to an incorrect configuration of UoM (Unit of Measure) or decimal precision. Here's how you can resolve the issue:

1. Root Cause

• The Unit of Measure (UoM) or related settings in the specific warehouse might not have a proper Rounding Precision configured.
• Odoo uses precision_rounding to handle quantities in calculations. A value of 0.0 means the rounding is improperly set, which leads to this error.
• The issue only occurs in one warehouse because UoM settings or BOM (Bill of Materials) configurations may differ between warehouses.

2. Steps to Resolve

Step 1: Check Units of Measure (UoM) Configuration

1. Navigate to:
   • Inventory > Configuration > Units of Measure.
2. Open the UoMs related to the affected product(s).
3. Verify the following:
   • Rounding Precision: Ensure it is set to a positive value (e.g., 0.01 or 0.001 depending on your needs).
     • Rounding precision determines the smallest unit of quantity Odoo will handle.
   • Category: Ensure the UoM is correctly categorized under the same category as other UoMs for the product.
4. Save the changes and test again.

Step 2: Verify Product Configuration

1. Go to:
   • Inventory > Products > Products.
2. Open the affected product(s).
3. Check the following fields:
   • Unit of Measure and Purchase Unit of Measure: Ensure these have valid UoMs with proper rounding precision.
   • Routes: Ensure the product's routes (Make-to-Stock, Manufacture, etc.) align with the warehouse configuration.

Step 3: Check Bill of Materials (BOM)

1. Navigate to:
   • Manufacturing > Products > Bill of Materials.
2. Open the BOM associated with the product being manufactured in the affected warehouse.
3. Check the following:
   • Component Quantities: Ensure all component quantities and UoMs are configured with appropriate rounding precisions.
   • Finished Product UoM: Verify the UoM for the finished product has a valid rounding precision.

Step 4: Verify Warehouse Configuration

1. Navigate to:
   • Inventory > Configuration > Warehouses.
2. Open the settings for the affected warehouse.
3. Check:
   • Routes: Ensure the routes for manufacturing and stock movements are consistent with other warehouses.
   • Stock Locations: Verify stock location configurations (e.g., for raw materials and finished goods) do not have custom logic causing conflicts.

Step 5: Debug Logs and Server Action

If the issue persists:

1. Enable Developer Mode in Odoo.
2. Check the logs for the specific product or production order causing the error:
   • Go to Settings > Technical > Logs > Server Logs.
3. Trace the affected rounding value being passed to float_round.

Step 6: Custom Code or Add-ons

• The stack trace mentions a custom module (sales_upload_files/models/mrp_workorder.py) which may override the standard record_production method.
• If custom code is involved:
  • Review the custom logic to ensure it doesn’t improperly set precision_rounding to 0.0.
  • Modify the code to include a fallback for rounding precision:

    rounding = rounding or 0.01  # Set a default positive value if rounding is 0.0
    

3. Preventive Actions

1. Consistency Across Warehouses:
   • Ensure that UoMs and product configurations are consistent across all warehouses.
2. Test Configurations:
   • Test manufacturing flows for each warehouse after changes.
3. Regular Audits:
   • Periodically audit UoM configurations and rounding precisions to avoid similar issues.

4. If Issue Persists

• If none of the above steps resolve the issue, you may need to:
  • Run a database query to identify products or UoMs with invalid configurations.
  • Contact Odoo support or your developer to debug the custom module mentioned in the error trace.

By following these steps, you should be able to resolve the issue and prevent it from recurring. Let me know if you need further assistance!