diff --git a/CHANGELOG.md b/CHANGELOG.md
index 533abde0..629f092e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,23 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [v3.1.3-next.1](https://github.com/oceanprotocol/ocean.js/compare/v3.1.3-next.0...v3.1.3-next.1)
+
+- update error handling [`aada8e9`](https://github.com/oceanprotocol/ocean.js/commit/aada8e92af9273ccc20e86dc00ea73bcb7e8dfdf)
+
+#### [v3.1.3-next.0](https://github.com/oceanprotocol/ocean.js/compare/v3.1.2...v3.1.3-next.0)
+
+> 6 October 2023
+
+- Bump @types/crypto-js from 4.1.1 to 4.1.2 [`#1774`](https://github.com/oceanprotocol/ocean.js/pull/1774)
+- Bump @types/chai-spies from 1.0.3 to 1.0.4 [`#1776`](https://github.com/oceanprotocol/ocean.js/pull/1776)
+- fix fs use [`735dc2f`](https://github.com/oceanprotocol/ocean.js/commit/735dc2f62b976be683bc9fcd7f8940e715b18519)
+- Release 3.1.3-next.0 [`5ac5d1f`](https://github.com/oceanprotocol/ocean.js/commit/5ac5d1f44a637b5d8d285757941b0393bb3a7983)
+
 #### [v3.1.2](https://github.com/oceanprotocol/ocean.js/compare/v3.1.1...v3.1.2)
 
+> 25 September 2023
+
 - Feature/ Use custom addresses & fallback signature to legacy [`#1772`](https://github.com/oceanprotocol/ocean.js/pull/1772)
 - Bump typedoc from 0.24.8 to 0.25.1 [`#1770`](https://github.com/oceanprotocol/ocean.js/pull/1770)
 - Bump cross-fetch from 3.1.5 to 4.0.0 [`#1764`](https://github.com/oceanprotocol/ocean.js/pull/1764)
@@ -13,6 +28,7 @@ Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 - optimize disk space [`#1771`](https://github.com/oceanprotocol/ocean.js/pull/1771)
 - Added gen-x-testnet to ConfigHelper [`#1741`](https://github.com/oceanprotocol/ocean.js/pull/1741)
 - Remove custom contracts [`#1769`](https://github.com/oceanprotocol/ocean.js/pull/1769)
+- Release 3.1.2 [`a157154`](https://github.com/oceanprotocol/ocean.js/commit/a157154f857f363ddabc77298a9377070972153a)
 
 #### [v3.1.1](https://github.com/oceanprotocol/ocean.js/compare/v3.1.0...v3.1.1)
 
diff --git a/package-lock.json b/package-lock.json
index cbe1f81f..02235e29 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@oceanprotocol/lib",
-  "version": "3.1.2",
+  "version": "3.1.3-next.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@oceanprotocol/lib",
-      "version": "3.1.2",
+      "version": "3.1.3-next.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@oceanprotocol/contracts": "^1.1.14",
diff --git a/package.json b/package.json
index d3f79a5b..9409432b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@oceanprotocol/lib",
   "source": "./src/index.ts",
-  "version": "3.1.2",
+  "version": "3.1.3-next.1",
   "description": "JavaScript client library for Ocean Protocol",
   "main": "./dist/lib.js",
   "umd:main": "dist/lib.umd.js",
diff --git a/src/config/ConfigHelper.ts b/src/config/ConfigHelper.ts
index 6b8780fb..2c2ea3f3 100644
--- a/src/config/ConfigHelper.ts
+++ b/src/config/ConfigHelper.ts
@@ -1,6 +1,5 @@
 // eslint-disable-next-line import/no-named-default
 import { default as DefaultContractsAddresses } from '@oceanprotocol/contracts/addresses/address.json'
-import fs from 'fs'
 import { Config } from '.'
 import { LoggerInstance } from '../utils'
 
@@ -180,8 +179,8 @@ export class ConfigHelper {
         DFRewards,
         DFStrategyV1,
         veFeeEstimate,
-        ...(process.env.AQUARIUS_URI && { metadataCacheUri: process.env.AQUARIUS_URI }),
-        ...(process.env.PROVIDER_URI && { providerUri: process.env.PROVIDER_URI })
+        ...(process.env.AQUARIUS_URL && { metadataCacheUri: process.env.AQUARIUS_URL }),
+        ...(process.env.PROVIDER_URL && { providerUri: process.env.PROVIDER_URL })
       }
     } else {
       // no custom addresses structure was passed, trying to load default
@@ -219,8 +218,8 @@ export class ConfigHelper {
           DFRewards,
           DFStrategyV1,
           veFeeEstimate,
-          ...(process.env.AQUARIUS_URI && { metadataCacheUri: process.env.AQUARIUS_URI }),
-          ...(process.env.PROVIDER_URI && { providerUri: process.env.PROVIDER_URI })
+          ...(process.env.AQUARIUS_URL && { metadataCacheUri: process.env.AQUARIUS_URL }),
+          ...(process.env.PROVIDER_URL && { providerUri: process.env.PROVIDER_URL })
         }
       }
     }
@@ -241,16 +240,14 @@ export class ConfigHelper {
       LoggerInstance.error(`No config found for given network '${network}'`)
       return null
     }
-    const customAddresses = process.env.ADDRESS_FILE
-      ? JSON.parse(
-          // eslint-disable-next-line security/detect-non-literal-fs-filename
-          fs.readFileSync(process.env.ADDRESS_FILE, 'utf8')
-        )
-      : null
-    const contractAddressesConfig = this.getAddressesFromEnv(
-      config.network,
-      customAddresses
-    )
+
+    let addresses
+    try {
+      addresses = JSON.parse(process.env.ADDRESS_FILE)
+    } catch (e) {
+      addresses = null
+    }
+    const contractAddressesConfig = this.getAddressesFromEnv(config.network, addresses)
     config = { ...config, ...contractAddressesConfig }
 
     const nodeUri = infuraProjectId
diff --git a/src/utils/ProviderErrors.ts b/src/utils/ProviderErrors.ts
index 19acd1e9..6ebda624 100644
--- a/src/utils/ProviderErrors.ts
+++ b/src/utils/ProviderErrors.ts
@@ -1,3 +1,5 @@
+import { LoggerInstance } from './Logger'
+
 const PREDEFINED_ERRORS = {
   datasets: {
     invalid: 'Datasets is not a list, as expected'
@@ -74,17 +76,23 @@ const PREDEFINED_ERRORS = {
   }
 }
 
-export function getErrorMessage(error: Object): string {
-  const key = Object.keys(error)[0]
-  if (key === 'error') {
-    const message = error[key]
-    const errorMessage =
-      PREDEFINED_ERRORS[key][message] || `Provider request failed: ${message}`
-    return errorMessage
-  } else {
-    const errorObject = error[key]
-    const messagekey = Object.keys(error)[1]
-    const errorMessage = error[messagekey]
-    return `${errorMessage} : ${errorObject}`
+export function getErrorMessage(err: string): string {
+  try {
+    const error = JSON.parse(err)
+    const key = Object.keys(error)[0]
+    if (key === 'error') {
+      const message = error[key]
+      const errorMessage =
+        PREDEFINED_ERRORS[key][message] || `Provider request failed: ${message}`
+      return errorMessage
+    } else {
+      const errorObject = error[key]
+      const messagekey = Object.keys(error)[1]
+      const errorMessage = error[messagekey]
+      return `${errorMessage} : ${errorObject}`
+    }
+  } catch (e) {
+    LoggerInstance.error('[getErrorMessage] error: ', e)
+    return err
   }
 }