Error: The file could not be downloaded. Error creating zip file. The filename is invalid. Parameter name filename - when selecting Merge on a Marketing Effort Acknoweldgment export output

We get an error message - "The file could not be downloaded.  Error creating zip file.  The filename is invalid.  Parameter name filename"  reported when attempting to merge an acknowledgment file that contains more than one file type.

The process works fine under ClickOnce.

Download and install the latest version and patch, if applicable. 

Environment

 3.0.516, patch 37
 4.0.131

Was this article helpful?