-'error.db' => 'veritabanı hatası',
-'error.field' => 'hatalı veri "{0}"',
-'error.empty' => 'alan "{0}" boştur',
-'error.not_equal' => 'alan "{0}" "{1}" alanıyla aynı değildir',
-'error.interval' => 'hatalı aralık',
-'error.project' => 'proje seç',
-'error.activity' => 'faaliyet seç',
-'error.auth' => 'hatalı kullanıcı adı veya parola',
-// Note to translators: this string needs to be translated.
-// 'error.user_exists' => 'user with this login already exists',
-'error.project_exists' => 'bu isimde proje zaten vardır',
-'error.activity_exists' => 'bu isimli faaliyet zaten vardır',
-// TODO: translate error.client_exists.
-// 'error.client_exists' => 'client with this name already exists',
-// Note to translators: this string needs to be properly translated (e-mail replaced with login).
-// 'error.no_login' => 'bu e-posta adresini kullanan kullanıcı yoktur',
-'error.upload' => 'dosya yükleme hatası',
-// Note to translators: the strings below are missing and must be translated and added
-// 'error.period_locked' => 'can\\\'t complete the operation. records older than a certain number of days cannot be created or modified. team manager defines this in the "Lock interval in days" value on the "Profile" page. set it to 0 to remove locking. <br><br>uncompleted records (with 0 or empty duration) can be deleted.',
-// 'error.mail_send' => 'error sending mail',
+'error.db' => 'Veritabanı hatası.',
+'error.field' => 'Hatalı veri "{0}".',
+'error.empty' => 'Alan "{0}" boştur.',
+// TODO: confirm that error.not_equal is translated correctly.
+// Test by changing password with not equal password value fields.
+// English equivalent is:
+// 'error.not_equal' => 'Field "{0}" is not equal to field "{1}".',
+'error.not_equal' => 'Alan "{0}" "{1}" alanıyla aynı değildir.',
+// TODO: translate the following.
+// 'error.interval' => 'Field "{0}" must be greater than "{1}".',
+'error.project' => 'Proje seç.',
+// TODO: translate the following.
+// 'error.task' => 'Select task.',
+// 'error.client' => 'Select client.',
+// 'error.report' => 'Select report.',
+// 'error.record' => 'Select record.',
+'error.auth' => 'Hatalı kullanıcı adı veya parola.',
+// TODO: translate the following.
+// 'error.user_exists' => 'User with this login already exists.',
+'error.project_exists' => 'Bu isimde proje zaten vardır.',
+// TODO: translate the following.
+// 'error.task_exists' => 'Task with this name already exists.',
+// 'error.client_exists' => 'Client with this name already exists.',
+// 'error.invoice_exists' => 'Invoice with this number already exists.',
+// 'error.no_invoiceable_items' => 'There are no invoiceable items.',
+// 'error.no_login' => 'No user with this login.',
+// 'error.no_teams' => 'Your database is empty. Login as admin and create a new team.',
+'error.upload' => 'Dosya yükleme hatası.',
+// TODO: translate the following.
+// 'error.range_locked' => 'Date range is locked.',
+// 'error.mail_send' => 'Error sending mail.',
+
+
+
+// TODO: refactoring ongoing down from here.
+