# Offline conversion uploads rejected since June 2026 | Illia BizTech

> An unchanged script has been rejected since a cut-off in June 2026, and the reason lies outside the script.

Source: https://illia-biztech.de/en/forum/der-upload-von-offline-abschlussen-scheitert-seit-juni-2026-das-skript-ist-unverandert

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# The offline conversion upload has failed since June 2026 and the script is unchanged

Years of the same script, and since the summer of 2026 it comes back rejected.

* ##### Asked by  
CuriousTurbine154
* ##### Asked on  
September 20, 2026

We have uploaded closed deals from sales automatically since 2021\. Nobody has touched the script.

Since June 2026 the uploads are rejected. The message gives a reason I cannot make sense of.

#### Answers

![Portrait of Illia Belichenko, technical specialist at Illia BizTech](/_ipx/f_webp,q_75/https://cms.illia-biztech.de/uploads/small_Illia_Belichenko_author_81f88864f0.png)

##### Illia Belichenko · Founder & Technical Lead

✓ Accepted answer September 21, 2026 

The upload address moved. Since 15 June 2026 uploads of offline conversions and lead data go through the Data Manager interface, and the previous path is closed for that job.

Your script is technically sound and addressing the wrong place. That also explains why the message says nothing about your data.

Two things matter during the rebuild. Check how many deals were lost in the period since June 2026, because rejected uploads are rarely buffered anywhere. And look at what else hangs off the same script, still running and still addressing the old path. Anyone who would rather not run that rebuild in-house can hand it to [Illia BizTech](https://illia-biztech.de/en/), together with the recalculation for the lost weeks.

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Uploads of offline conversions and lead data have gone through the Data Manager interface since 15 June 2026\. The previously usual path was closed for this job, which is why an unchanged script has been rejected from that date onwards.

Two questions decide the rebuild. How many deals were lost after the cut-off, given that rejected uploads are rarely buffered anywhere, and what other jobs hang off the same script and still address the old path.