AEM-ASM-S02-004: Error while converting document to conform to PDF/A

[IharIvanovAxamit]

Hello community! I will realy appreciate if somebody can help us with an issue. We tried to convert signed PDF document to PDF/A-3B format and faced the issue:
AEM-ASM-S02-004: Error while converting document to conform to PDF/A
Is it possible to convert signed documents to PDF/A using  

com.adobe.fd.assembler.service.AssemblerService

 ?

[IharIvanovAxamit · Accepted solution]

We have resolved it. Global trust store is required.
/libs/granite/security/content/truststore.html