add model name in the error message

Author: themisvaltinos

sqlmesh/core/context.py

@@ -1621,7 +1621,7 @@ def plan_builder(
                                 or to_timestamp(snapshot.node.start) > end_ts
                             ):
                                 raise SQLMeshError(
-                                    f"Start date / time ({to_datetime(start_ts)}) can't be greater than end date / time ({to_datetime(end_ts)}).\n"
+                                    f"Model '{model_name}': Start date / time ({to_datetime(start_ts)}) can't be greater than end date / time ({to_datetime(end_ts)}).\n"
                                     f"Set the `start` attribute in your project config model defaults to avoid this issue."
                                 )
 

tests/core/test_context.py

@@ -3060,6 +3060,6 @@ def test_plan_no_start_configured():
     # This should raise an error because the model has no start configured and the end time is less than the start time which will be calculated from the intervals
     with pytest.raises(
         SQLMeshError,
-        match=r"Set the `start` attribute in your project config model defaults to avoid this issue",
+        match=r"Model '.*xvg.*': Start date / time .* can't be greater than end date / time .*\.\nSet the `start` attribute in your project config model defaults to avoid this issue",
     ):
         context.plan("dev", execution_time="1999-01-05")