DOC: Add caveat to to_stata with version=119

Author: hongshaoyang

pandas/core/frame.py

@@ -2129,7 +2129,7 @@ def to_stata(
             characters or fewer while versions 117 and later allow strings
             with lengths up to 2,000,000 characters. Versions 118 and 119
             support Unicode characters, and version 119 supports more than
-            32,767 variables.
+            32,767 variables. For now, version 119 cannot be opened in Stata SE.
 
             .. versionchanged:: 1.0.0