diff --git a/api/application/controllers/PD_Controller.php b/api/application/controllers/PD_Controller.php
index 41c977da..c901128a 100644
--- a/api/application/controllers/PD_Controller.php
+++ b/api/application/controllers/PD_Controller.php
@@ -4292,7 +4292,7 @@ class PD_Controller extends REST_Controller {
 					}
 					
 					$final_data[] = $temp_data;
-					$temp_data = "";
+					$temp_data = array();
 				}
 				
 				if(array_key_exists('retail_trading_activity_details',$json))
@@ -4305,7 +4305,7 @@ class PD_Controller extends REST_Controller {
 					}
 					
 					$final_data[] = $temp_data;
-					$temp_data = "";
+					$temp_data = array();
 				}
 				
 				if(array_key_exists('wholesale_trading_activity_details',$json))
@@ -4318,7 +4318,7 @@ class PD_Controller extends REST_Controller {
 					}
 					
 					$final_data[] = $temp_data;
-					$temp_data = "";
+					$temp_data = array();
 				}
 				
 				if(array_key_exists('service_provider_activity_details',$json))
@@ -4331,7 +4331,7 @@ class PD_Controller extends REST_Controller {
 					}
 					
 					$final_data[] = $temp_data;
-					$temp_data = "";
+					$temp_data = array();
 				}