diff --git a/server/config/main.js b/server/config/main.js
index 763421d..5b50a6d 100644
--- a/server/config/main.js
+++ b/server/config/main.js
@@ -8,5 +8,5 @@ module.exports = {
     'secret': 'asdawldjal',
     databaseUrl: 'mongodb://teamdivider:CIS4222017@ds137101.mlab.com:37101/teamdivider',
     authenticationMiddleware: passport.authenticate('jwt', { session: false }),
-    SENDGRID_API_KEY: "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",
+    SENDGRID_API_KEY: process.env.SENDGRID_API_KEY,
 };
diff --git a/server/routes/activities/controllers/emailParticipantsForCertainActivityController.js b/server/routes/activities/controllers/emailParticipantsForCertainActivityController.js
index e1e833c..8281675 100644
--- a/server/routes/activities/controllers/emailParticipantsForCertainActivityController.js
+++ b/server/routes/activities/controllers/emailParticipantsForCertainActivityController.js
@@ -4,9 +4,8 @@ const ObjectIdIsValid = require("mongoose").Types.ObjectId.isValid;
 
 const Activity = require("../../../models").Activity;
 
-const sendgridAPIKey = require("../../../config/main").SENDGRID_API_KEY;
-const sendgrid = require("sendgrid")(sendgridAPIKey);
-const mailHelper = require('sendgrid').mail;
+const sendGridAPIKey = require("../../../config/main").SENDGRID_API_KEY;
+
 
 
 function groupParticipantsByGroupNumber (pars) {
@@ -75,6 +74,13 @@ module.exports = function (req, res, next) {
         createErrorHandler(res, HttpStatus.BAD_REQUEST)(errorMessage);
         return;
     }
+    if (typeof sendGridAPIKey === 'undefined' || sendGridAPIKey === null){
+        const errorMessage = 'Server terminal does not have the environment variable "SENDGRID_API_KEY". Please run the related bash script first.';
+        createErrorHandler(res, HttpStatus.INTERNAL_SERVER_ERROR)(errorMessage);
+        return;
+    }
+    const sendGrid = require("sendgrid")(sendGridAPIKey);
+    const mailHelper = require('sendgrid').mail;
 
     Activity.findOne({_id: req.params.activityId, _creator: req.user._id, isDeleted: false})
         .populate({
@@ -101,13 +107,13 @@ module.exports = function (req, res, next) {
                     const content    = new mailHelper.Content('text/html', generateHTMLText(member, group, activity));
                     const email       = new mailHelper.Mail(from_email, subject, to_email, content);
 
-                    const emailRequest = sendgrid.emptyRequest({
+                    const emailRequest = sendGrid.emptyRequest({
                         method: 'POST',
                         path: '/v3/mail/send',
                         body: email.toJSON()
                     });
 
-                    sendgrid.API(emailRequest, function (error, response) {
+                    sendGrid.API(emailRequest, function (error, response) {
                         if (error !== null){
                             console.log(error);
                             return;
diff --git a/src/routes/Dashboard/components/ActivitiesView/components/ActivityCard/EditActivityInfoModal/EditActivityInfoModal.js b/src/routes/Dashboard/components/ActivitiesView/components/ActivityCard/EditActivityInfoModal/EditActivityInfoModal.js
index 9c28021..4d0f82b 100644
--- a/src/routes/Dashboard/components/ActivitiesView/components/ActivityCard/EditActivityInfoModal/EditActivityInfoModal.js
+++ b/src/routes/Dashboard/components/ActivitiesView/components/ActivityCard/EditActivityInfoModal/EditActivityInfoModal.js
@@ -45,6 +45,12 @@ export default class EditActivityInfoModal extends React.Component {
             return;
         }
 
+        if (this.props.activityHolder.get('currentCapacity') >= 
+                this.props.activityHolder.get('totalCapacity')) {
+            this.props.updateActivityFailedToEdit(true); 
+            this.props.updateActivityEditError('TOTAL CAPACITY MUST NOT BE BIGGER THAN CURRENT CAPACITY');
+            return;
+        }
 
         this.props.updateActivityFailedToEdit(false); 
         this.props.updateActivityEditError('');
@@ -80,8 +86,8 @@ export default class EditActivityInfoModal extends React.Component {
                                 Cancel
                         </Button>
                         <Button positive
-                            disabled={this.props.isCreating}
-                            loading={this.props.isCreating}
+                            disabled={this.props.isLoading}
+                            loading={this.props.isLoading}
                             content='Save Changes'
                             onClick={ this.updateActivityHandler }
                         />