SYMPTOM:
The following error message appears when trying to add a project to be monitored in the Strategy Enterprise Manager Console 9.x '2.2 Choose Projects' section:

Sample Code/Error
The version could be not determined , please check your Warehouse configuration
CAUSE:
The warehouse version property is not correctly stored or is missing in the Strategy Enterprise Manager EM_PROPS table, as shown below:

In normal circumstances, the property appears as follows:

ACTION:
If the Strategy Enterprise Manager warehouse was functional during some point in the past, and if a database backup exists, attempt to restore it to validate the state of the EM_PROPS table is consistent.
If this is a new Strategy Enterprise Manager warehouse, initialize the Strategy Enterprise Manager environment again, as described in the following Strategy Knowledge Base technical note:
KB31870: How to create an Enterprise Manager project in MicroStrategy 9.x?