Symptoms

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Unable to render to Knowledge Base in Service Portal 

Release

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Any release supporting Service Portal

Cause

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Service Portal and Knowledge Base plugins were not activated appropriately

Resolution

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1. Navigate to sys_properties table (sys_properties.list)
   2. Search for 'glide.war' and 'glide.war.assigned' and make sure they have the same value (aka, there isn't a pending/ongoing upgrade)
   3. Make sure the current Application scope is 'Global'.
   4. Create a system property glide.upgrade.optimize.in_family with type "true | false" and set it to false
   5. Re-activate the following plugins in the correct order:
   Service Portal for Enterprise Service Management (ID: com.glide.service-portal.esm)
   Service Portal - Knowledge Base (ID: com.glide.service-portal.knowledge-base)
   6. Set the system property glide.upgrade.optimize.in_family via sys_properties.list to true