1 files changed, 16 insertions, 0 deletions
diff --git a/errors.go b/errors.go
index 206585b..d2b2828 100644
--- a/errors.go
+++ b/errors.go
@@ -16,3 +16,19 @@
  */
 
 package mg
+
+import "errors"
+
+var (
+	ErrLimitOutOfRange     = errors.New("mg: invalid limit (out of range)")
+	ErrInvalidField        = errors.New("mg: invalid field passed")
+	ErrInvalidRankingType  = errors.New("mg: invalid ranking type")
+	ErrInvalidSeason       = errors.New("mg: invalid season")
+	ErrInvalidSort         = errors.New("mg: invalid sort")
+	ErrInvalidStatus       = errors.New("mg: invalid status")
+	ErrInvalidScore        = errors.New("mg: invalid score")
+	ErrInvalidPriority     = errors.New("mg: invalid priority")
+	ErrInvalidRewatchValue = errors.New("mg: invalid rewatch value")
+	ErrInvalidRereadValue  = errors.New("mg: invalid reread value")
+	ErrEmptySearchString   = errors.New("mg: invalid search string (empty string)")
+)