Remove Velocity error in logs when displaying the import page on the default wiki

16:21:46,194 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space=XWiki SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($request.action) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible.  [line 9, column 22]