This error can occur if the metadata server is offline when WRS attempts to perform nightly maintenance. There are specific messages to look for in the log. See http://support.sas.com/kb/45/665.html
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Four tips to remember when you contact SAS Technical Support
Tricks for SAS Visual Analytics Report Builders
SAS Visual Analytics Learning Center
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Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
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