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Process variables unexpectedly appear null after an asynchronous sub-process node completes, even though non-null output is expected:
The asynchronous sub-process was once synchronous and had an output variable that was not deleted. The output variable was not removed when the process became asynchronous. This issue has been reported to the Appian Product Team. The reference number for this issue is AN-96059.
This article applies to all versions of Appian.
Last Reviewed: August 2020