diff --git a/modules/CustomView/CustomView.php b/modules/CustomView/CustomView.php
index 0fc173362e6ff8ffaf96872de62d10c34920f6ff..27e5df9a6ec1c442db7619a51eff2e57f865cd2a 100644
--- a/modules/CustomView/CustomView.php
+++ b/modules/CustomView/CustomView.php
@@ -916,6 +916,8 @@ class CustomView extends CRMEntity {
 
 			$advft_criteria = Vtiger_Cache::get('advftCriteria',$cvid);
 			if(!$advft_criteria){
+				$advft_criteria = array();
+				
 				// Not a good approach to get all the fields if not required(May leads to Performance issue)
 				$sql = 'SELECT groupid,group_condition FROM vtiger_cvadvfilter_grouping WHERE cvid = ? ORDER BY groupid';
 				$groupsresult = $adb->pquery($sql, array($cvid));
diff --git a/modules/Install/views/Index.php b/modules/Install/views/Index.php
index 8fb55655fe83a0de134e7785cdbd42cd3b43aef1..cc8cc56d055cadfcd6be17349a9bcebd61d35ea2 100644
--- a/modules/Install/views/Index.php
+++ b/modules/Install/views/Index.php
@@ -28,9 +28,12 @@ class Install_Index_view extends Vtiger_View_Controller {
 	}
 
 	protected function applyInstallFriendlyEnv() {
-		// config.inc.php - will not be ready to control this yet.
-		// version_compare(PHP_VERSION, '5.5.0') <= 0 ? error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED) : error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT);  // Production
-		// version_compare(PHP_VERSION, '7.0.0') >= 0 ? error_reporting(E_WARNING & ~E_NOTICE) : error_reporting(E_WARNING & ~E_NOTICE & ~E_DEPRECATED  & E_ERROR & ~E_STRICT); // Debug
+		// config.inc.php - will not be ready to control this yet
+		// if overriden in dev mode skip changes.
+		if (error_reporting() != E_ALL) {
+			version_compare(PHP_VERSION, '5.5.0') <= 0 ? error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED) : error_reporting(E_ERROR & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT);  // Production
+			// version_compare(PHP_VERSION, '7.0.0') >= 0 ? error_reporting(E_WARNING & ~E_NOTICE) : error_reporting(E_WARNING & ~E_NOTICE & ~E_DEPRECATED  & E_ERROR & ~E_STRICT); // Debug
+		}
 		set_time_limit(0); // override limits on execution time to allow install to finish
 	}
 
diff --git a/modules/Leads/models/Module.php b/modules/Leads/models/Module.php
index 91754b926895cc27ed0b187d0cac9e210a3dc730..31a2e4d3592dd89745619842c18fad9c7b197071 100644
--- a/modules/Leads/models/Module.php
+++ b/modules/Leads/models/Module.php
@@ -233,6 +233,8 @@ class Leads_Module_Model extends Vtiger_Module_Model {
 		}
 		
 		$params = array();
+
+		$dateFilterSql = '';
 		if(!empty($dateFilter)) {
 			$dateFilterSql = ' AND createdtime BETWEEN ? AND ? ';
 			//appended time frame and converted to db time zone in showwidget.php
diff --git a/modules/Migration/views/Index.php b/modules/Migration/views/Index.php
index 23d0e09036b55a637500a5ad7fb215042a6626ec..6d83cf687e6461600c4263d18b5c8eb5b4cb0568 100644
--- a/modules/Migration/views/Index.php
+++ b/modules/Migration/views/Index.php
@@ -28,7 +28,10 @@ class Migration_Index_View extends Vtiger_View_Controller {
 
 	public function process(Vtiger_Request $request) {
 		// Override error reporting to production mode
-		// version_compare(PHP_VERSION, '5.5.0') <= 0 ? error_reporting(E_WARNING & ~E_NOTICE & ~E_DEPRECATED) : error_reporting(E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT);
+		// if not set to strict development.
+		if (error_reporting() != E_ALL) {
+			version_compare(PHP_VERSION, '5.5.0') <= 0 ? error_reporting(E_WARNING & ~E_NOTICE & ~E_DEPRECATED) : error_reporting(E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT);
+		}
 		// Migration could be heavy at-times.
 		set_time_limit(0);	
 
diff --git a/modules/Potentials/models/Module.php b/modules/Potentials/models/Module.php
index cc90a4899688ce31c7bac35925c3c5cfd84a7231..8692527678d8bcbf9c3ef5018723c22185fdd3c9 100644
--- a/modules/Potentials/models/Module.php
+++ b/modules/Potentials/models/Module.php
@@ -56,6 +56,8 @@ class Potentials_Module_Model extends Vtiger_Module_Model {
 			$ownerSql =  ' AND smownerid = ? ';
 			$params[] = $owner;
 		}
+
+		$dateFilterSql = '';
 		if(!empty($dateFilter)) {
 			$dateFilterSql = ' AND closingdate BETWEEN ? AND ? ';
 			$params[] = $dateFilter['start'];
@@ -141,6 +143,8 @@ class Potentials_Module_Model extends Vtiger_Module_Model {
 						'INNER JOIN vtiger_sales_stage ON vtiger_potential.sales_stage =  vtiger_sales_stage.sales_stage 
 						WHERE vtiger_potential.sales_stage IN ('.generateQuestionMarks($picklistvaluesmap).') 
 						GROUP BY smownerid, sales_stage ORDER BY vtiger_sales_stage.sortorderid', $params);
+
+		$data = array();
 		for($i=0; $i<$db->num_rows($result); $i++) {
 			$row = $db->query_result_rowdata($result, $i);
             $row['link'] = decode_html($row['sales_stage']);
@@ -161,6 +165,8 @@ class Potentials_Module_Model extends Vtiger_Module_Model {
 		//TODO need to handle security
 		$params = array();
 		$params[] = 'Closed Won';
+
+		$dateFilterSql = '';
 		if(!empty($dateFilter)) {
 			$dateFilterSql = ' AND createdtime BETWEEN ? AND ? ';
 			//appended time frame and converted to db time zone in showwidget.php
diff --git a/modules/Vtiger/dashboards/History.php b/modules/Vtiger/dashboards/History.php
index b336e51851cb2456e952b35f450f8991124b5d36..94cc32ed0744e4c7feb78a181a17ab5cc6f56e6a 100644
--- a/modules/Vtiger/dashboards/History.php
+++ b/modules/Vtiger/dashboards/History.php
@@ -27,6 +27,7 @@ class Vtiger_History_Dashboard extends Vtiger_IndexAjax_View {
 
 		$modifiedTime = $request->get('modifiedtime');
 		//Date conversion from user to database format
+		$dates = array();
 		if(!empty($modifiedTime)) {
 			$startDate = Vtiger_Date_UIType::getDBInsertedValue($modifiedTime['start']);
 			$dates['start'] = getValidDBInsertDateTimeValue($startDate . ' 00:00:00');
diff --git a/modules/Vtiger/helpers/Util.php b/modules/Vtiger/helpers/Util.php
index 98207671bf02ded55deb76d23942c6adce25ae6f..f793b582a8da26151e4f1b4b239943921d711d4d 100644
--- a/modules/Vtiger/helpers/Util.php
+++ b/modules/Vtiger/helpers/Util.php
@@ -269,6 +269,7 @@ class Vtiger_Util_Helper {
 			$dateTimeInUserFormat = Vtiger_Datetime_UIType::getDisplayDateTimeValue($dateTime);
 		}
 
+		if (substr_count($dateTimeInUserFormat,' ') == 1) $dateTimeInUserFormat .= ' '; // init for meridiem if not present
 		list($dateInUserFormat, $timeInUserFormat, $meridiem) = explode(' ', $dateTimeInUserFormat);
 		if($meridiem && $currentUser->get('hour_format') === '12' ){
 			$displayTime = $timeInUserFormat.' '.$meridiem;
diff --git a/modules/Vtiger/models/DashBoard.php b/modules/Vtiger/models/DashBoard.php
index 9073eede05d68b25f4aeca99c0d36cd0e000d831..40acffb223f3f763b070cd06192db9de38c71550 100644
--- a/modules/Vtiger/models/DashBoard.php
+++ b/modules/Vtiger/models/DashBoard.php
@@ -118,7 +118,7 @@ class Vtiger_DashBoard_Model extends Vtiger_Base_Model {
 		for($i=0, $len=$db->num_rows($result); $i<$len; $i++) {
 			$row = $db->query_result_rowdata($result, $i);
 			$data = json_decode(decode_html($row['data']), true);
-			$sourceModule = $data['module'];
+			$sourceModule = $data && isset($data['module']) ? $data['module'] : "";
 			if(!empty($sourceModule) && !vtlib_isModuleActive($sourceModule)) {
 				continue;
 			}