Frequently asked questions: Difference between revisions

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=== When I start FlightGear I get an error mentioning "SQLite".  What do I do? ===
=== When I start FlightGear I get an error mentioning "SQLite".  What do I do? ===
Since FlightGear v2.10 (released in February 2013) there is a [[navdata cache]] that helps FlightGear start faster.  This cache is a SQLite database that can be a bit fragile.  When it get corrupt FlightGear will refuse to start.
Since FlightGear v2.10 (released in February 2013), the [[navdata cache]] was introduced to improve the FlightGear start times.  This cache is a SQLite database that is, at times, a little fragile.  If the database is corrupted, as sometimes occurs, FlightGear will refuse to start.


To fix this you need to delete the file <code>[[$FG_HOME]]/navdata.cache</code>.  FlightGear will rebuild the navdata cache the first time it starts after it have been deleted.  This may make FlightGear take more time to start.
To fix this you simply need to delete the <code>[[$FG_HOME]]/navdata.cache</code> fileThe first time FlightGear starts after deletion of the file, FlightGear will rebuild the navdata cache.  This may make FlightGear take more time to start.


Some will resort to delete the entire <code>$FG_HOME</code> directory or even reinstall FlightGear.  Neither is needed and may cause you to lose any custom preferences you have added.
Some will resort to delete the entire <code>$FG_HOME</code> directory or even reinstall FlightGear.  However neither is needed and may cause you to lose any custom preferences you have set up.


== The FAQ ==
== The FAQ ==

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