The database engine log disk is full. Deleting logfiles to recover disk space may make your database unstartable if the database ...

%1 (%2) %3The database engine log disk is full. Deleting logfiles to recover disk space may make your database unstartable if the database file(s) are not in a Clean Shutdown state. Numbered logfiles may be moved, but not deleted, if and only if the database file(s) are in a Clean Shutdown state. Do not move %4.  

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