diff --git a/jams-react-client/src/components/Drawer/Drawer.js b/jams-react-client/src/components/Drawer/Drawer.js
index f074770660eb0dc60965ff2701145d601bbb58d8..f063cb9c6a8cb1ebc8ecb77c11f0f61be14c3407 100644
--- a/jams-react-client/src/components/Drawer/Drawer.js
+++ b/jams-react-client/src/components/Drawer/Drawer.js
@@ -38,8 +38,6 @@ const useStyles = makeStyles((theme) => ({
 export default function TemporaryDrawer(props) {
   const classes = useStyles();
 
-  useEffect(() => {}, []);
-
   const listUsers = () => (
     <List>
       {props.type === "user"
@@ -48,7 +46,7 @@ export default function TemporaryDrawer(props) {
             .filter(
               (target) =>
                 !props.existingTargets.some(
-                  (t) => target.username == t.username
+                  (t) => target.username === t.username
                 )
             )
             .map((target) => (
@@ -84,7 +82,7 @@ export default function TemporaryDrawer(props) {
           props.targets
             .filter(
               (target) =>
-                !props.existingTargets.some((t) => target.name == t.name)
+                !props.existingTargets.some((t) => target.name === t.name)
             )
             .map((target) => (
               <ListItem
diff --git a/jams-react-client/src/components/Sidebar/Sidebar.js b/jams-react-client/src/components/Sidebar/Sidebar.js
index 81d244160324def6772c84392781d411c0d1bb77..00a4905434223226f46e4a6435ee91c778143c56 100755
--- a/jams-react-client/src/components/Sidebar/Sidebar.js
+++ b/jams-react-client/src/components/Sidebar/Sidebar.js
@@ -80,7 +80,7 @@ export default function Sidebar(props) {
           [" " + classes.whiteFont]: activeRoute(prop.layout + prop.path),
         });
         return (
-          <div className={classes.wrapper}>
+          <div className={classes.wrapper} key={key}>
             {props.updating && (
               <Snackbar
                 anchorOrigin={{ vertical: "bottom", horizontal: "right" }}
diff --git a/jams-react-client/src/layouts/SignUp.js b/jams-react-client/src/layouts/SignUp.js
index eafda0e1c0aba0be12068c046a2b644b0f647e07..81eb41a3cf7e1ea927800f9c183020381560e354 100644
--- a/jams-react-client/src/layouts/SignUp.js
+++ b/jams-react-client/src/layouts/SignUp.js
@@ -27,7 +27,7 @@ function Copyright() {
     <Typography variant="body2" color="textSecondary" align="center">
       {"Copyright © "}
       {new Date().getFullYear() + " "}
-      <Link color="info" href="https://savoirfairelinux.com">
+      <Link color="primary" href="https://savoirfairelinux.com">
         Savoir-faire Linux Inc.
       </Link>
     </Typography>
@@ -103,7 +103,7 @@ export default function SignUp(props) {
         <img src={logo} className={classes.logo} alt="Logo Jami" />
         <CustomizedSteppers step={props.step} />
         {error && errorMessage && (
-          <Alert severity="error">{errorMessage}</Alert>
+          <Alert severity="error">{errorMessage.toString()}</Alert>
         )}
         {returnStep()}
 
diff --git a/jams-react-client/src/views/Blueprint/Blueprint.js b/jams-react-client/src/views/Blueprint/Blueprint.js
index 29b3d6b84c3dca462f49b847b8e8ca5c80f1085a..da32490fa4251157d75878dd2acdaf88c443e3d2 100644
--- a/jams-react-client/src/views/Blueprint/Blueprint.js
+++ b/jams-react-client/src/views/Blueprint/Blueprint.js
@@ -27,7 +27,7 @@ function TabPanel(props) {
     >
       {value === index && (
         <Box p={3}>
-          <Typography>{children}</Typography>
+          <Typography component="div">{children}</Typography>
         </Box>
       )}
     </div>
@@ -47,25 +47,6 @@ function a11yProps(index) {
   };
 }
 
-const styles = {
-  cardCategoryWhite: {
-    color: "rgba(255,255,255,.62)",
-    margin: "0",
-    fontSize: "14px",
-    marginTop: "0",
-    marginBottom: "0",
-  },
-  cardTitleWhite: {
-    color: "#FFFFFF",
-    marginTop: "0px",
-    minHeight: "auto",
-    fontWeight: "300",
-    fontFamily: "'Roboto', 'Helvetica', 'Arial', sans-serif",
-    marginBottom: "3px",
-    textDecoration: "none",
-  },
-};
-
 export default function Blueprint(props) {
   const [value, setValue] = React.useState(0);