// 'error.empty' => 'Field "{0}" is empty.',
// 'error.not_equal' => 'Field "{0}" is not equal to field "{1}".',
// 'error.interval' => 'Field "{0}" must be greater than "{1}".',
-
-// TODO: refactoring ongoing down from here.
-// 'error.project' => 'select project',
+// 'error.project' => 'Select project.',
// 'error.task' => 'Select task.',
// 'error.client' => 'Select client.',
// 'error.report' => 'Select report.',
// 'error.record' => 'Select record.',
-// 'error.auth' => 'incorrect login or password',
-// 'error.user_exists' => 'user with this login already exists',
-// 'error.project_exists' => 'project with this name already exists',
+// 'error.auth' => 'Incorrect login or password.',
+// 'error.user_exists' => 'User with this login already exists.',
+// 'error.project_exists' => 'Project with this name already exists.',
// '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.',
+
+
+
+// TODO: refactoring ongoing down from here.
+
// 'error.no_login' => 'no user with this e-mail',
// 'error.upload' => 'file upload error',
// 'error.range_locked' => 'Date range is locked.',