diff --git a/binarycpython/utils/grid.py b/binarycpython/utils/grid.py
index 14036a90769ecea118ccb901edfe156c14fb8ec6..ab4ad0c843f71ec1b08fbd888e2cea2e7ee4825f 100644
--- a/binarycpython/utils/grid.py
+++ b/binarycpython/utils/grid.py
@@ -348,7 +348,10 @@ class Population:
     def _return_binary_c_version_info(self, parsed=False):
         """
         Function that returns the version information of binary_c
-        """.return_version_info().strip()
+        """
+
+
+        version_info = _binary_c_bindings.return_version_info().strip()
 
         if parsed:
             version_info = parse_binary_c_version_info(version_info)
@@ -531,7 +534,8 @@ class Population:
         """
 
         for thread_nr in self.grid_options["amt_cores"]:
-            persistent_data_memad.binary_c_return_persistent_data_memaddr()
+            persistent_data_memaddr = (
+                _binary_c_bindings.binary_c_return_persistent_data_memaddr()
             )
             self.persistent_data_memory_dict[thread_nr] = persistent_data_memaddr
         verbose_print(
@@ -563,7 +567,8 @@ class Population:
                 1,
             )
 
-            # Get the output and decode it correctly.binary_c_free_persistent_data_memaddr_and_return_json_output(
+            # Get the output and decode it correctly to get the numbers correct
+            ensemble_json_output = _binary_c_bindings.binary_c_free_persistent_data_memaddr_and_return_json_output(
                 persistent_data_memaddr
             )
             parsed_json = json.loads(
@@ -694,8 +699,8 @@ class Population:
         for i, system in enumerate(self.grid_options["system_generator"](self)):
             full_system_dict = self.bse_options.copy()
             full_system_dict.update(system)
-
-            binary_cmdline_string =.run_system(
+            binary_cmdline_string = self._return_argline(full_system_dict)
+            out = _binary_c_bindings.run_system(
                 argstring=binary_cmdline_string,
                 custom_logging_func_memaddr=self.grid_options[
                     "custom_logging_func_memaddr"
@@ -713,7 +718,9 @@ class Population:
     def evolve_system_mp(self, binary_cmdline_string):
         """
         Function that the multiprocessing evolution method calls to evolve a system
-        """.run_system(
+        """
+
+        out = _binary_c_bindings.run_system(
             argstring=binary_cmdline_string,
             custom_logging_func_memaddr=self.grid_options[
                 "custom_logging_func_memaddr"
@@ -758,7 +765,8 @@ class Population:
         argline = self._return_argline(self.bse_options)
         verbose_print("Running {}".format(argline), self.grid_options["verbosity"], 1)
 
-        # Run syste.run_system(
+        # Run system
+        out = _binary_c_bindings.run_system(
             argstring=argline,
             custom_logging_func_memaddr=self.grid_options[
                 "custom_logging_func_memaddr"
@@ -802,7 +810,8 @@ class Population:
         ### Custom logging code:
         self._set_custom_logging()
 
-        ### Load stor.return_store_memaddr()
+        ### Load store
+        self.grid_options["store_memaddr"] = _binary_c_bindings.return_store_memaddr()
 
         ### ensemble:
         ## check the settings:
@@ -920,7 +929,8 @@ class Population:
 
         # Unload functions
 
-        # Unload stor.free_store_memaddr(self.grid_options["store_memaddr"])
+        # Unload store
+        _binary_c_bindings.free_store_memaddr(self.grid_options["store_memaddr"])
 
     ###################################################
     # Gridcode functions