diff --git a/src/components/SharedSnackBar/index.jsx b/src/components/SharedSnackBar/index.jsx
index c208afdb..c22c9213 100644
--- a/src/components/SharedSnackBar/index.jsx
+++ b/src/components/SharedSnackBar/index.jsx
@@ -20,11 +20,7 @@ export const SharedSnackbar = () => (
           autoHideDuration={4000}
           onClose={closeSnackbar}
         >
-          <SnackbarContent
-            onClose={closeSnackbar}
-            message={message}
-            variant={variant}
-          />
+          <SnackbarContent onClose={closeSnackbar} message={message} variant={variant} />
         </Snackbar>
       )
     }}
@@ -60,10 +56,14 @@ type State = {
 }
 
 export class SharedSnackbarProvider extends React.Component<Props, State> {
-  state = {
-    isOpen: false,
-    message: '',
-    variant: 'info',
+  constructor(props: Props) {
+    super(props)
+
+    this.state = {
+      isOpen: false,
+      message: '',
+      variant: 'info',
+    }
   }
 
   openSnackbar = (message: string, variant: Variant) => {
diff --git a/src/logic/safe/transactions/send.js b/src/logic/safe/transactions/send.js
index abe2920d..6bba674d 100644
--- a/src/logic/safe/transactions/send.js
+++ b/src/logic/safe/transactions/send.js
@@ -108,11 +108,9 @@ export const executeTransaction = async (
       .execTransaction(to, valueInWei, data, operation, 0, 0, 0, ZERO_ADDRESS, ZERO_ADDRESS, sigs)
       .encodeABI()
     const errMsg = await getErrorMessage(safeInstance.address, 0, executeDataUsedSignatures, sender)
-
-    console.log(`Error executing the TX: ${error}`)
     console.log(`Error executing the TX: ${errMsg}`)
-    /* eslint-enable */
-    return 0
+    
+    throw error;
   }
 }
 
diff --git a/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/index.jsx b/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/index.jsx
index 244c6b9d..c245965b 100644
--- a/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/index.jsx
+++ b/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/index.jsx
@@ -46,7 +46,9 @@ export const sendRemoveOwner = async (
 ) => {
   const gnosisSafe = await getGnosisSafeInstanceAt(safeAddress)
   const safeOwners = await gnosisSafe.getOwners()
-  const index = safeOwners.findIndex(ownerAddress => ownerAddress.toLowerCase() === ownerAddressToRemove.toLowerCase())
+  const index = safeOwners.findIndex(
+    (ownerAddress) => ownerAddress.toLowerCase() === ownerAddressToRemove.toLowerCase(),
+  )
   const prevAddress = index === 0 ? SENTINEL_ADDRESS : safeOwners[index - 1]
   const txData = gnosisSafe.contract.methods
     .removeOwner(prevAddress, ownerAddressToRemove, values.threshold)
@@ -103,26 +105,21 @@ const RemoveOwner = ({
   }
 
   return (
-    <React.Fragment>
+    <>
       <SharedSnackbarConsumer>
         {({ openSnackbar }) => {
           const onRemoveOwner = () => {
             onClose()
-            try {
-              sendRemoveOwner(
-                values,
-                safeAddress,
-                ownerAddress,
-                ownerName,
-                owners,
-                openSnackbar,
-                createTransaction,
-                removeSafeOwner,
-              )
-            } catch (error) {
-              // eslint-disable-next-line
-              console.log('Error while removing an owner ' + error)
-            }
+            sendRemoveOwner(
+              values,
+              safeAddress,
+              ownerAddress,
+              ownerName,
+              owners,
+              openSnackbar,
+              createTransaction,
+              removeSafeOwner,
+            )
           }
 
           return (
@@ -133,7 +130,7 @@ const RemoveOwner = ({
               open={isOpen}
               paperClassName={classes.biggerModalWindow}
             >
-              <React.Fragment>
+              <>
                 {activeScreen === 'checkOwner' && (
                   <CheckOwner
                     onClose={onClose}
@@ -165,12 +162,12 @@ const RemoveOwner = ({
                     onSubmit={onRemoveOwner}
                   />
                 )}
-              </React.Fragment>
+              </>
             </Modal>
           )
         }}
       </SharedSnackbarConsumer>
-    </React.Fragment>
+    </>
   )
 }
 
diff --git a/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.jsx b/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.jsx
index e5e7921e..37ea76fe 100644
--- a/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.jsx
+++ b/src/routes/safe/components/Settings/ManageOwners/RemoveOwnerModal/screens/Review/index.jsx
@@ -56,7 +56,7 @@ const ReviewRemoveOwner = ({
   }
 
   return (
-    <React.Fragment>
+    <>
       <Row align="center" grow className={classes.heading}>
         <Paragraph weight="bolder" className={classes.manage} noMargin>
           Remove owner
@@ -91,11 +91,10 @@ const ReviewRemoveOwner = ({
                 <Paragraph size="lg" color="primary" noMargin weight="bolder" className={classes.name}>
                   {values.threshold}
                   {' '}
-                  out of
-                  {' '}
+out of
                   {owners.size - 1}
                   {' '}
-                  owner(s)
+owner(s)
                 </Paragraph>
               </Block>
             </Block>
@@ -105,12 +104,12 @@ const ReviewRemoveOwner = ({
               <Paragraph size="lg" color="primary" noMargin>
                 {owners.size - 1}
                 {' '}
-                Safe owner(s)
+Safe owner(s)
               </Paragraph>
             </Row>
             <Hairline />
             {owners.map(
-              owner => owner.address !== ownerAddress && (
+              (owner) => owner.address !== ownerAddress && (
                 <React.Fragment key={owner.address}>
                   <Row className={classes.owner}>
                     <Col xs={1} align="center">
@@ -159,7 +158,11 @@ const ReviewRemoveOwner = ({
                     <Paragraph size="md" color="disabled" noMargin>
                       {ownerAddress}
                     </Paragraph>
-                    <Link className={classes.open} to={getEtherScanLink('address', ownerAddress, network)} target="_blank">
+                    <Link
+                      className={classes.open}
+                      to={getEtherScanLink('address', ownerAddress, network)}
+                      target="_blank"
+                    >
                       <OpenInNew style={openIconStyle} />
                     </Link>
                   </Block>
@@ -187,7 +190,7 @@ const ReviewRemoveOwner = ({
           Submit
         </Button>
       </Row>
-    </React.Fragment>
+    </>
   )
 }
 
diff --git a/src/routes/safe/store/actions/createTransaction.js b/src/routes/safe/store/actions/createTransaction.js
index 164427ee..03982ea7 100644
--- a/src/routes/safe/store/actions/createTransaction.js
+++ b/src/routes/safe/store/actions/createTransaction.js
@@ -7,6 +7,20 @@ import { type GlobalState } from '~/store'
 import { getGnosisSafeInstanceAt } from '~/logic/contracts/safeContracts'
 import { approveTransaction, executeTransaction, CALL } from '~/logic/safe/transactions'
 
+export type Notifications = {
+  BEFORE_EXECUTION_OR_CREATION: string,
+  AFTER_EXECUTION: string,
+  CREATED_MORE_CONFIRMATIONS_NEEDED: string,
+  ERROR: string,
+}
+
+const DEFAULT_NOTIFICATIONS: Notifications = {
+  BEFORE_EXECUTION_OR_CREATION: 'Transaction in progress',
+  AFTER_EXECUTION: 'Transaction successfully executed',
+  CREATED_MORE_CONFIRMATIONS_NEEDED: 'Transaction in progress: More confirmations required to execute',
+  ERROR: 'Transaction failed',
+}
+
 const createTransaction = (
   safeAddress: string,
   to: string,
@@ -14,6 +28,7 @@ const createTransaction = (
   txData: string = EMPTY_DATA,
   openSnackbar: Function,
   shouldExecute?: boolean,
+  notifications?: Notifications = DEFAULT_NOTIFICATIONS,
 ) => async (dispatch: ReduxDispatch<GlobalState>, getState: GetState<GlobalState>) => {
   const state: GlobalState = getState()
 
@@ -24,14 +39,19 @@ const createTransaction = (
   const isExecution = threshold.toNumber() === 1 || shouldExecute
 
   let txHash
-  if (isExecution) {
-    openSnackbar('Transaction has been submitted', 'success')
-    txHash = await executeTransaction(safeInstance, to, valueInWei, txData, CALL, nonce, from)
-    openSnackbar('Transaction has been confirmed', 'success')
-  } else {
-    openSnackbar('Approval transaction has been submitted', 'success')
-    txHash = await approveTransaction(safeInstance, to, valueInWei, txData, CALL, nonce, from)
-    openSnackbar('Approval transaction has been confirmed', 'success')
+  try {
+    if (isExecution) {
+      openSnackbar(notifications.BEFORE_EXECUTION_OR_CREATION, 'success')
+      txHash = await executeTransaction(safeInstance, to, valueInWei, txData, CALL, nonce, from)
+      openSnackbar(notifications.AFTER_EXECUTION, 'success')
+    } else {
+      openSnackbar(notifications.BEFORE_EXECUTION_OR_CREATION, 'success')
+      txHash = await approveTransaction(safeInstance, to, valueInWei, txData, CALL, nonce, from)
+      openSnackbar(notifications.CREATED_MORE_CONFIRMATIONS_NEEDED, 'success')
+    }
+  } catch (err) {
+    openSnackbar(notifications.ERROR, '')
+    console.error(`Error while creating transaction: ${err}`)
   }
 
   dispatch(fetchTransactions(safeAddress))