1 files changed, 1 insertions, 0 deletions
diff --git a/src/projects.h b/src/projects.h
index 0e9f1b59..c1bf1b3a 100644
--- a/src/projects.h
+++ b/src/projects.h
@@ -459,6 +459,7 @@ struct FACTORS {
 #define PJD_ERR_GRID_AREA           -48
 #define PJD_ERR_CATALOG             -49
 #define PJD_ERR_INVALID_SCALE       -52
+#define PJD_ERR_NON_CONVERGENT      -53
 
 struct projFileAPI_t;