diff --git a/common/errorCodes.js b/common/errorCodes.js
new file mode 100644
index 00000000..993d2a2e
--- /dev/null
+++ b/common/errorCodes.js
@@ -0,0 +1,4 @@
+module.exports = {
+	ERR_MISSING_PASSPHRASE: 'ERR_MISSING_PASSPHRASE',
+	ERR_OSSL_BAD_DECRYPT: 'ERR_OSSL_BAD_DECRYPT',
+};
diff --git a/reverse_engineering/helpers/errorMessages.js b/common/errorMessages.js
similarity index 83%
rename from reverse_engineering/helpers/errorMessages.js
rename to common/errorMessages.js
index e25d3772..dbfad274 100644
--- a/reverse_engineering/helpers/errorMessages.js
+++ b/common/errorMessages.js
@@ -5,4 +5,5 @@ module.exports = {
 		'Incorrect Okta username/password or MFA is enabled. Please, check credentials or use the "Identity Provider SSO (via external browser)" for MFA auth',
 	OKTA_MFA_ERROR:
 		'Native Okta auth doesn\'t support MFA. Please, use the "Identity Provider SSO (via external browser)" auth instead',
+	KEY_PAIR_ERROR: 'Please check that the passphrase is provided and matches the key.',
 };
diff --git a/forward_engineering/api.js b/forward_engineering/api.js
index 811f73c0..2ee794df 100644
--- a/forward_engineering/api.js
+++ b/forward_engineering/api.js
@@ -1,9 +1,10 @@
 const _ = require('lodash');
-const { commentDropStatements } = require('./helpers/commentHelpers/commentDropStatements');
-const { DROP_STATEMENTS } = require('./helpers/constants');
-const { getAlterScript } = require('./helpers/alterScriptFromDeltaHelper');
-const { applyToInstance } = require('./helpers/applyToInstanceHelper');
-const reApi = require('../reverse_engineering/api');
+const { commentDropStatements } = require('./helpers/commentHelpers/commentDropStatements.js');
+const { DROP_STATEMENTS } = require('./helpers/constants.js');
+const { getAlterScript } = require('./helpers/alterScriptFromDeltaHelper.js');
+const { applyToInstance } = require('./helpers/applyToInstanceHelper.js');
+const reApi = require('../reverse_engineering/api.js');
+const { handleError } = require('./helpers/handleError.js');
 
 module.exports = {
 	generateScript(data, logger, callback, app) {
@@ -57,14 +58,7 @@ module.exports = {
 			.then(result => {
 				callback(null, result);
 			})
-			.catch(error => {
-				const err = {
-					message: error.message,
-					stack: error.stack,
-				};
-				logger.log('error', err, 'Error when applying to instance');
-				callback(err);
-			});
+			.catch(error => handleError(logger, error, callback));
 	},
 
 	async getExternalBrowserUrl(connectionInfo, logger, cb, app) {
diff --git a/forward_engineering/helpers/handleError.js b/forward_engineering/helpers/handleError.js
new file mode 100644
index 00000000..e6992289
--- /dev/null
+++ b/forward_engineering/helpers/handleError.js
@@ -0,0 +1,22 @@
+const errorMessages = require('../../common/errorMessages.js');
+const errorCodes = require('../../common/errorCodes.js');
+
+const handleError = (logger, error, callback) => {
+	logger.log('error', error, 'Error when applying to instance');
+
+	if (error.code === errorCodes.ERR_MISSING_PASSPHRASE || error.code === errorCodes.ERR_OSSL_BAD_DECRYPT) {
+		return callback({
+			message: errorMessages.KEY_PAIR_ERROR,
+			type: 'simpleError',
+		});
+	}
+
+	return callback({
+		message: error.message,
+		stack: error.stack,
+	});
+};
+
+module.exports = {
+	handleError,
+};
diff --git a/reverse_engineering/api.js b/reverse_engineering/api.js
index c65d4b9a..aecacee5 100644
--- a/reverse_engineering/api.js
+++ b/reverse_engineering/api.js
@@ -3,6 +3,8 @@
 const _ = require('lodash');
 const snowflakeHelper = require('./helpers/snowflakeHelper');
 const ssoHelper = require('./helpers/ssoHelper');
+const errorMessages = require('../common/errorMessages.js');
+const errorCodes = require('../common/errorCodes.js');
 
 const connect = async (connectionInfo, logger, cb) => {
 	logger.clear();
@@ -270,9 +272,17 @@ const getSampleDocSize = (count, recordSamplingSettings) => {
 };
 
 const handleError = (logger, error, cb) => {
-	const message = _.isString(error) ? error : _.get(error, 'message', 'Reverse Engineering error');
 	logger.log('error', { error }, 'Reverse Engineering error');
 
+	if (error.code === errorCodes.ERR_MISSING_PASSPHRASE || error.code === errorCodes.ERR_OSSL_BAD_DECRYPT) {
+		return cb({
+			message: errorMessages.KEY_PAIR_ERROR,
+			type: 'simpleError',
+		});
+	}
+
+	const message = _.isString(error) ? error : _.get(error, 'message', 'Reverse Engineering error');
+
 	return cb({ message });
 };
 
diff --git a/reverse_engineering/helpers/connections/connection.js b/reverse_engineering/helpers/connections/connection.js
index 581e9555..a22b4efa 100644
--- a/reverse_engineering/helpers/connections/connection.js
+++ b/reverse_engineering/helpers/connections/connection.js
@@ -1,6 +1,6 @@
 const snowflake = require('snowflake-sdk');
 
-const errorMessages = require('../errorMessages.js');
+const errorMessages = require('../../../common/errorMessages.js');
 const { CONNECTION_TIMED_OUT_CODE } = require('./constants.js');
 
 const noConnectionError = { message: errorMessages.CONNECTION_ERROR };
diff --git a/reverse_engineering/helpers/connections/oktaConnection.js b/reverse_engineering/helpers/connections/oktaConnection.js
index d8a1aa68..6079d767 100644
--- a/reverse_engineering/helpers/connections/oktaConnection.js
+++ b/reverse_engineering/helpers/connections/oktaConnection.js
@@ -12,7 +12,7 @@ const {
 	HACKOLADE_APPLICATION,
 } = require('./constants.js');
 const { getAccountName, getRole } = require('../common.js');
-const errorMessages = require('../errorMessages.js');
+const errorMessages = require('../../../common/errorMessages.js');
 
 const authByOkta = async ({
 	account,
diff --git a/reverse_engineering/helpers/snowflakeHelper.js b/reverse_engineering/helpers/snowflakeHelper.js
index d72c1227..ca51d265 100644
--- a/reverse_engineering/helpers/snowflakeHelper.js
+++ b/reverse_engineering/helpers/snowflakeHelper.js
@@ -3,7 +3,7 @@ const snowflake = require('snowflake-sdk');
 const axios = require('axios');
 const uuid = require('uuid');
 const BSON = require('bson');
-const errorMessages = require('./errorMessages.js');
+const errorMessages = require('../../common/errorMessages.js');
 const { getRole, getAccountName, removeQuotes } = require('./common.js');
 const { authByOkta } = require('./connections/oktaConnection.js');
 const { authByExternalBrowser } = require('./connections/externalBrowserConnection.js');
diff --git a/tsconfig.json b/tsconfig.json
index c5275b03..d09022c5 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -26,6 +26,6 @@
 		"forceConsistentCasingInFileNames": true,
 		"typeRoots": ["./node_modules/@types", "./types"]
 	},
-	"include": ["reverse_engineering", "forward_engineering"],
+	"include": ["reverse_engineering", "forward_engineering", "common"],
 	"exclude": ["**/node_modules/**", "release/**/*"]
 }