diff --git a/workflow/engine/content/translations/english/processmaker.en.po b/workflow/engine/content/translations/english/processmaker.en.po
index 2aa2d818b..7c21013a9 100755
--- a/workflow/engine/content/translations/english/processmaker.en.po
+++ b/workflow/engine/content/translations/english/processmaker.en.po
@@ -26561,6 +26561,12 @@ msgstr "The mime type does not correspond to the permitted extension, please ver
 msgid "The change might cause data loss in the PM table. Do you want to continue?"
 msgstr "The change might cause data loss in the PM table. Do you want to continue?"
 
+# TRANSLATION
+# LABEL/ID_THE_PERMISSION_CAN_NOT_BE_UNASSIGNED_FROM_THIS_ROLE
+#: LABEL/ID_THE_PERMISSION_CAN_NOT_BE_UNASSIGNED_FROM_THIS_ROLE
+msgid "The permission can not be unassigned from this role."
+msgstr "The permission can not be unassigned from this role."
+
 # TRANSLATION
 # LABEL/ID_THE_PHP_FILES_EXECUTION_WAS_DISABLED
 #: LABEL/ID_THE_PHP_FILES_EXECUTION_WAS_DISABLED
diff --git a/workflow/engine/data/mysql/insert.sql b/workflow/engine/data/mysql/insert.sql
index 453774339..763efc672 100755
--- a/workflow/engine/data/mysql/insert.sql
+++ b/workflow/engine/data/mysql/insert.sql
@@ -61404,6 +61404,7 @@ INSERT INTO TRANSLATION (TRN_CATEGORY,TRN_ID,TRN_LANG,TRN_VALUE,TRN_UPDATE_DATE
 ( 'LABEL','ID_THE_MAXIMUM_VALUE_OF_THIS_FIELD_IS','en','The maximum value of this field is {0}.','2019-02-26') ,
 ( 'LABEL','ID_THE_MIMETYPE_EXTENSION_ERROR','en','The mime type does not correspond to the permitted extension, please verify your file.','2018-10-02') ,
 ( 'LABEL','ID_THE_NAME_CHANGE_MAY_CAUSE_DATA_LOSS','en','The change might cause data loss in the PM table. Do you want to continue?','2017-03-30') ,
+( 'LABEL','ID_THE_PERMISSION_CAN_NOT_BE_UNASSIGNED_FROM_THIS_ROLE','en','The permission can not be unassigned from this role.','2022-04-20') ,
 ( 'LABEL','ID_THE_PHP_FILES_EXECUTION_WAS_DISABLED','en','The PHP files execution was disabled please contact the system administrator.','2018-04-20') ,
 ( 'LABEL','ID_THE_REASON_REASSIGN_USER_EMPTY','en','Please complete the reassign reason.','2016-10-20') ,
 ( 'LABEL','ID_THE_REPORT_TABLE_IS_REGENERATING_PLEASE_COME_BACK_IN_A_FEW_MINUTES','en','The report table is regenerating please come back in a few minutes.','2020-06-01') ,
diff --git a/workflow/engine/methods/roles/data_rolesPermissions.php b/workflow/engine/methods/roles/data_rolesPermissions.php
index ff5b86823..b4f1c71eb 100644
--- a/workflow/engine/methods/roles/data_rolesPermissions.php
+++ b/workflow/engine/methods/roles/data_rolesPermissions.php
@@ -1,27 +1,4 @@
 <?php
-/**
- * data_rolesPermissions.php
- *
- * ProcessMaker Open Source Edition
- * Copyright (C) 2004 - 2008 Colosa Inc.23
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
- * Coral Gables, FL, 33134, USA, or email info@colosa.com.
- */
-
 
 $filter = new InputFilter();
 $_GET = $filter->xssFilterHard($_GET);
@@ -31,20 +8,22 @@ $TYPE_DATA = $_GET["type"];
 
 global $RBAC;
 
-$filter = (isset( $_REQUEST['textFilter'] )) ? $_REQUEST['textFilter'] : '';
+$filter = (isset($_REQUEST['textFilter'])) ? $_REQUEST['textFilter'] : '';
 
 //BUG 7554: erik/ hook for existents environments that have not PM_CANCELCASE
-if ($RBAC->permissionsObj->loadByCode( 'PM_CANCELCASE' ) === false) {
-    $RBAC->permissionsObj->create( array ('PER_CODE' => 'PM_CANCELCASE','PER_CREATE_DATE' => date( 'Y-m-d H:i:s' )
-    ) );
+if ($RBAC->permissionsObj->loadByCode('PM_CANCELCASE') === false) {
+    $RBAC->permissionsObj->create(array('PER_CODE' => 'PM_CANCELCASE', 'PER_CREATE_DATE' => date('Y-m-d H:i:s')
+    ));
 }
 
-if ($TYPE_DATA == 'list')
-    $oDataset = $RBAC->getRolePermissions( $ROL_UID, $filter, 1 );
-if ($TYPE_DATA == 'show')
-    $oDataset = $RBAC->getAllPermissions( $ROL_UID, $RBAC->sSystem, $filter, 1 );
+if ($TYPE_DATA == 'list') {
+    $oDataset = $RBAC->getRolePermissions($ROL_UID, $filter, 1);
+}
+if ($TYPE_DATA == 'show') {
+    $oDataset = $RBAC->getAllPermissions($ROL_UID, $RBAC->sSystem, $filter, 1);
+}
 
-$rows = Array ();
+$rows = [];
 $per = new RolesPermissions();
 while ($oDataset->next()) {
     $row = $oDataset->getRow();
@@ -53,5 +32,7 @@ while ($oDataset->next()) {
     $rows[] = $row;
 }
 
-echo '{permissions: ' . G::json_encode( $rows ) . '}';
-
+$result = [
+    'permissions' => $rows
+];
+echo G::json_encode($result);
diff --git a/workflow/engine/templates/roles/rolesUsersPermission.js b/workflow/engine/templates/roles/rolesUsersPermission.js
index 717cd3b9b..647789599 100644
--- a/workflow/engine/templates/roles/rolesUsersPermission.js
+++ b/workflow/engine/templates/roles/rolesUsersPermission.js
@@ -104,13 +104,24 @@ GridByDefaultX = function(){
 	assignedUGrid.store.load();
 };
 
-//edit permissions action
-EditPermissionsAction = function(){
-  availableGrid.show();
-  buttonsPanel.show();
-  editPermissionsButton.disable();
-  //cancelEditPermissionsButton.show();
-  PermissionsPanel.doLayout();
+/**
+ * Edit permissions action
+ * @returns {void}
+ */
+EditPermissionsAction = function () {
+    availableGrid.show();
+    buttonsPanel.show();
+    editPermissionsButton.disable();
+    PermissionsPanel.doLayout();
+
+    //if the role is administrator these buttons must be disabled.
+    if (ROLES.ROL_UID === pm_admin) {
+        Ext.getCmp('removeButtonAll').disable();
+        Ext.getCmp('assignButtonAll').disable();
+    } else {
+        Ext.getCmp('removeButtonAll').enable();
+        Ext.getCmp('assignButtonAll').enable();
+    }
 };
 
 EditPermissionsContentsAction = function(){
@@ -862,22 +873,31 @@ SavePermissionsRole = function(arr_per, function_success, function_failure){
 	});
 };
 
-//REMOVE PERMISSION FROM A ROLE
-DeletePermissionsRole = function(arr_per, function_success, function_failure){
-	var sw_response;
-	viewport.getEl().mask(_('ID_PROCESSING'));
-	Ext.Ajax.request({
-		url: 'roles_Ajax',
-		params: {request: 'deletePermissionToRoleMultiple', ROL_UID: ROLES.ROL_UID, PER_UID: arr_per.join(',')},
-		success: function(){
-			        function_success();
-					viewport.getEl().unmask();
-		},
-		failure: function(){
-					function_failure();
-					viewport.getEl().unmask();
-		}
-	});
+/**
+ * Remove permission from a role.
+ * @param {array} permissions
+ * @param {function} success
+ * @param {function} failure
+ * @returns {void}
+ */
+DeletePermissionsRole = function (permissions, success, failure) {
+    if (permissions.length === 0) {
+        return;
+    }
+    var sw_response;
+    viewport.getEl().mask(_('ID_PROCESSING'));
+    Ext.Ajax.request({
+        url: 'roles_Ajax',
+        params: {request: 'deletePermissionToRoleMultiple', ROL_UID: ROLES.ROL_UID, PER_UID: permissions.join(',')},
+        success: function () {
+            success();
+            viewport.getEl().unmask();
+        },
+        failure: function () {
+            failure();
+            viewport.getEl().unmask();
+        }
+    });
 };
 
 //AssignButton Functionality
@@ -890,15 +910,23 @@ AssignPermissionAction = function(){
 	SavePermissionsRole(arrAux,RefreshPermissions,FailureProcess);
 };
 
-//RemoveButton Functionality
-RemovePermissionAction = function(){
+/**
+ * RemoveButton Functionality
+ * @returns {void}
+ */
+RemovePermissionAction = function () {
+    if (ROLES.ROL_UID === pm_admin) {
+        var message = _('ID_THE_PERMISSION_CAN_NOT_BE_UNASSIGNED_FROM_THIS_ROLE');
+        Ext.Msg.alert(_('ID_INFORMATION'), message);
+        return;
+    }
     rowsSelected = assignedGrid.getSelectionModel().getSelections();
     var arrAux = new Array();
     var sw;
-    for(var a=0; a < rowsSelected.length; a++){
+    for (var a = 0; a < rowsSelected.length; a++) {
         sw = true;
         if (ROLES.ROL_UID == pm_admin) {
-            for (var i=0; i < permissionsAdmin.length; i++)
+            for (var i = 0; i < permissionsAdmin.length; i++)
             {
                 if (permissionsAdmin[i]['PER_UID'] == rowsSelected[a].get('PER_UID')) {
                     sw = false;
@@ -910,7 +938,7 @@ RemovePermissionAction = function(){
             arrAux[a] = rowsSelected[a].get('PER_UID');
         }
     }
-    DeletePermissionsRole(arrAux,RefreshPermissions,FailureProcess);
+    DeletePermissionsRole(arrAux, RefreshPermissions, FailureProcess);
 };
 
 //AssignALLButton Functionality