diff --git a/rialto/runner/runner.py b/rialto/runner/runner.py
index ade89ff..343d2fe 100644
--- a/rialto/runner/runner.py
+++ b/rialto/runner/runner.py
@@ -217,6 +217,9 @@ def check_dependencies(self, pipeline: PipelineConfig, run_date: date) -> bool:
         :return: bool
         """
         logger.info(f"{pipeline.name} checking dependencies for {run_date}")
+
+        error = ""
+
         for dependency in pipeline.dependencies:
             dep_from = DateManager.date_subtract(run_date, dependency.interval.units, dependency.interval.value)
             logger.info(f"Looking for {dependency.table} from {dep_from} until {run_date}")
@@ -237,12 +240,15 @@ def check_dependencies(self, pipeline: PipelineConfig, run_date: date) -> bool:
             source = Table(table_path=dependency.table, partition=date_col)
             if True in self.check_dates_have_partition(source, possible_dep_dates):
                 logger.info(f"Dependency for {dependency.table} from {dep_from} until {run_date} is fulfilled")
-                continue
             else:
                 msg = f"Missing dependency for {dependency.table} from {dep_from} until {run_date}"
                 logger.info(msg)
-                self.tracker.last_error = msg
-                return False
+                error = error + msg + "\n"
+
+        if error != "":
+            self.tracker.last_error = error
+            return False
+
         return True
 
     def get_possible_run_dates(self, schedule: ScheduleConfig) -> List[date]:
diff --git a/rialto/runner/transformation.py b/rialto/runner/transformation.py
index 210cb0b..4399ce0 100644
--- a/rialto/runner/transformation.py
+++ b/rialto/runner/transformation.py
@@ -43,6 +43,7 @@ def run(
         :param run_date: date
         :param spark: spark session
         :param metadata_manager: metadata api object
+        :param dependencies: dictionary of dependencies
         :return: dataframe
         """
         raise NotImplementedError