Tungsten Automation Knowledge

Could not load file or assembly Atalasoft.PdfDoc

000028717 · Troubleshooting · Last Updated: Sep 7, 2026

Issue

After installing a new patch for Invoices, the following error is thrown:

Could not load file or assembly 'Atalasoft.PdfDoc, Version=, Culture=neutral, 

Cause

Due to SDK changes made to Atalasoft in INVOICES, a compatible version of COLLECTOR must be used.

Solution

Upgrade INVOICES and COLLECTOR to the correct levels. Please check the compatibility article under the References section.

 

References

INVOICES and Collector compatibility list: https://knowledge.tungstenautomation.com/bundle/z-kb-articles-salesforce5/page/22638.html

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Applies to

ProductVersionBuildEnvironmentHardware
Collector, ReadSoft Invoices

Sections recovered from body HTML: issue, cause, solution, refs.

https://aio-eus-uat-cae-aif-app14-local.redglacier-35d7ee4f.eastus.azurecontainerapps.io/article/28717 | Article 000028717 | Printed Sep 30, 2026

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