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This may also be caused by an incorrect string content in your customer.lic file. Look in the location where you put your frevvo users directory. Verify that a a customer.lic file exists in a subdirectory named .frevvo. Edit the customer.lic file and verify that the content is correct. This file must contain a single line which is the license key sent to you via email when you downloaded frevvo.zip.the license key.  To check the license, login via admin and then click "Server Configuration". You can also check the users schema resource table in your database. This table has an entry with the license information.

Unable to contact license server

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