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Word Document Conversion in Aspose.Words REST API throws Intermittent Error

A new error started occuring during the last two months:

{“Message”:“This instance has already started one or more requests. Properties can only be modified before sending the first request.”}

This happened on the following timestamps:

6/7/2019 15:59
6/22/2019 22:16
6/28/2019 05:33
6/29/2019 12:38
6/30/2019 01:21

As the error does not seems to look like to happen because of the file, can we get an update on a possible fix and on whether programmatically retrying the conversion will most likely succeed.


Thanks for your inquiry. Please confirm which base uri are you using?


Recently we have released V4 API Version and most of your reported issues are resolved with it. Please switch to V4 API Version, hopefully it will resolve the issue.