Blending hierarchies results in - Error: DRM-12144: Node name '[None]' contains invalid character(s): 
Last updated on MARCH 08, 2017
Applies to:Hyperion Data Relationship Management - Version 220.127.116.11.302 and later
Information in this document applies to any platform.
When running a blend an error like the following error is being seen indicating that a node name contains invalid characters:
Imports may have been run to create new nodes in before the blend was performed if this error has not been seen before.
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