Go to the log (Data > Log) and enter the following:

Identifier: Kaufland
Integration: Plenty\Modules\Kaufland\Helpers\Log\LogHelper
Level: info
Reference type: action
Reference value: stockExport

Attention! The log for individual transmissions is only displayed if it is set to info.

How to change the log settings

1. Go to the log configuration:
    

2. Search for "stockExportService*

3. and select the following:
 

4. Save the settings.

If you want to check individual transmissions per variant/catalogue, you can use the following log.

Identifier: Kaufland
Integration: Plenty\Modules\Kaufland\Stock\Services\StockExportService
Level: info
Reference type: EAN or variationID or catalogID
Reference value: #ean# ; #variationID# ; #catalogID#

After this change, you can then force a stock change (a stock correction of +1/-1 is sufficient) and after a maximum of 15 minutes your variant should be visible in the log.

If you expand the objects individually (click on the small arrows), you will see your
successful as well as failed transmissions.

Successful transmissions are under successfulStockUpdateVariationIds:Object
Example (with explanation):

33319:Object (plenty variant ID)
ean:"4062838161205" (barcode)
kauflandUnitId:384575905101 (offer ID)
sentUpdateFields:Object
amount:9 (quantity)
handling_time:"1" (delivery time)
id_warehouse:"11149" (warehouse ID)
id_shipping_group:9982 (shipping profile ID)

Failed transmissions are under failedStockUpdateVariationIds:Array[], here only the variant ID is displayed.

You can search for the failed transmissions in detail using your variant IDs.

Enter the following in the log:

Identifier: Kaufland.
Integration: Plenty\Modules\Kaufland\Stock\Services\StockExportService
Level: error

Click on the message and click "Extract all" to view the error message and the transmitted data.

Check your data under sendUpdateFields:Object for accuracy (and logic).

A summary of all transmitted data can be found under action: stockExport.
This data export takes place every 15 minutes.