diff --git a/libraries/object-persistor/package.json b/libraries/object-persistor/package.json
index 9cd8a80760..c7957c37cf 100644
--- a/libraries/object-persistor/package.json
+++ b/libraries/object-persistor/package.json
@@ -17,12 +17,12 @@
   "author": "Overleaf (https://www.overleaf.com/)",
   "license": "AGPL-3.0",
   "dependencies": {
-    "@google-cloud/storage": "^5.1.0",
-    "@overleaf/o-error": "^2.1.0",
-    "aws-sdk": "^2.696.0",
+    "@google-cloud/storage": "^5.1.1",
+    "@overleaf/o-error": "^3.0.0",
+    "aws-sdk": "^2.710.0",
     "fast-crc32c": "^2.0.0",
     "glob": "^7.1.6",
-    "logger-sharelatex": "^2.0.0",
+    "logger-sharelatex": "^2.1.1",
     "node-uuid": "^1.4.8",
     "range-parser": "^1.2.1",
     "tiny-async-pool": "^1.1.0"
diff --git a/libraries/object-persistor/src/AbstractPersistor.js b/libraries/object-persistor/src/AbstractPersistor.js
index 656a69cccc..84d76afe85 100644
--- a/libraries/object-persistor/src/AbstractPersistor.js
+++ b/libraries/object-persistor/src/AbstractPersistor.js
@@ -2,80 +2,95 @@ const { NotImplementedError } = require('./Errors')
 
 module.exports = class AbstractPersistor {
   async sendFile(location, target, source) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'sendFile', location, target, source }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'sendFile',
+      location,
+      target,
+      source
     })
   }
 
   async sendStream(location, target, sourceStream, sourceMd5) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'sendStream', location, target, sourceMd5 }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'sendStream',
+      location,
+      target,
+      sourceMd5
     })
   }
 
   // opts may be {start: Number, end: Number}
   async getObjectStream(location, name, opts) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'getObjectStream', location, name, opts }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'getObjectStream',
+      location,
+      name,
+      opts
     })
   }
 
   async getRedirectUrl(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'getRedirectUrl', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'getRedirectUrl',
+      location,
+      name
     })
   }
 
   async getObjectSize(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'getObjectSize', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'getObjectSize',
+      location,
+      name
     })
   }
 
   async getObjectMd5Hash(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'getObjectMd5Hash', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'getObjectMd5Hash',
+      location,
+      name
     })
   }
 
   async copyObject(location, fromName, toName) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'copyObject', location, fromName, toName }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'copyObject',
+      location,
+      fromName,
+      toName
     })
   }
 
   async deleteObject(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'deleteObject', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'deleteObject',
+      location,
+      name
     })
   }
 
   async deleteDirectory(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'deleteDirectory', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'deleteDirectory',
+      location,
+      name
     })
   }
 
   async checkIfObjectExists(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'checkIfObjectExists', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'checkIfObjectExists',
+      location,
+      name
     })
   }
 
   async directorySize(location, name) {
-    throw new NotImplementedError({
-      message: 'method not implemented in persistor',
-      info: { method: 'directorySize', location, name }
+    throw new NotImplementedError('method not implemented in persistor', {
+      method: 'directorySize',
+      location,
+      name
     })
   }
 }
diff --git a/libraries/object-persistor/src/FSPersistor.js b/libraries/object-persistor/src/FSPersistor.js
index 0625c842c7..228fe88cee 100644
--- a/libraries/object-persistor/src/FSPersistor.js
+++ b/libraries/object-persistor/src/FSPersistor.js
@@ -54,9 +54,11 @@ module.exports = class FSPersistor extends AbstractPersistor {
       const destMd5 = await this.getObjectMd5Hash(location, target)
       if (sourceMd5 !== destMd5) {
         await this._deleteFile(`${location}/${filterName(target)}`)
-        throw new WriteError({
-          message: 'md5 hash mismatch',
-          info: { sourceMd5, destMd5, location, target }
+        throw new WriteError('md5 hash mismatch', {
+          sourceMd5,
+          destMd5,
+          location,
+          target
         })
       }
     } finally {
@@ -108,10 +110,11 @@ module.exports = class FSPersistor extends AbstractPersistor {
     try {
       return await FSPersistor._getFileMd5HashForPath(fullPath)
     } catch (err) {
-      throw new ReadError({
-        message: 'unable to get md5 hash from file',
-        info: { location, filename }
-      }).withCause(err)
+      throw new ReadError(
+        'unable to get md5 hash from file',
+        { location, filename },
+        err
+      )
     }
   }
 
@@ -248,10 +251,7 @@ module.exports = class FSPersistor extends AbstractPersistor {
     } catch (err) {
       await this._deleteFile(fsPath)
 
-      throw new WriteError({
-        message: 'problem writing file locally',
-        info: { err, fsPath }
-      }).withCause(err)
+      throw new WriteError('problem writing file locally', { err, fsPath }, err)
     }
   }
 
@@ -263,10 +263,7 @@ module.exports = class FSPersistor extends AbstractPersistor {
       await fsUnlink(fsPath)
     } catch (err) {
       if (err.code !== 'ENOENT') {
-        throw new WriteError({
-          message: 'failed to delete file',
-          info: { fsPath }
-        }).withCause(err)
+        throw new WriteError('failed to delete file', { fsPath }, err)
       }
     }
   }
diff --git a/libraries/object-persistor/src/MigrationPersistor.js b/libraries/object-persistor/src/MigrationPersistor.js
index 1cab4d9588..4f0e64ce97 100644
--- a/libraries/object-persistor/src/MigrationPersistor.js
+++ b/libraries/object-persistor/src/MigrationPersistor.js
@@ -179,15 +179,16 @@ module.exports = class MigrationPersistor extends AbstractPersistor {
         sourceMd5
       )
     } catch (err) {
-      const error = new WriteError({
-        message: 'unable to copy file to destination persistor',
-        info: {
+      const error = new WriteError(
+        'unable to copy file to destination persistor',
+        {
           sourceBucket,
           destBucket,
           sourceKey,
           destKey
-        }
-      }).withCause(err)
+        },
+        err
+      )
       if (this.settings.Metrics) {
         this.settings.Metrics.inc('fallback.copy.failure')
       }
@@ -195,13 +196,14 @@ module.exports = class MigrationPersistor extends AbstractPersistor {
       try {
         await this.primaryPersistor.deleteObject(destBucket, destKey)
       } catch (err) {
-        error.info.cleanupError = new WriteError({
-          message: 'unable to clean up destination copy artifact',
-          info: {
+        error.info.cleanupError = new WriteError(
+          'unable to clean up destination copy artifact',
+          {
             destBucket,
             destKey
-          }
-        }).withCause(err)
+          },
+          err
+        )
       }
       throw error
     }
diff --git a/libraries/object-persistor/src/PersistorFactory.js b/libraries/object-persistor/src/PersistorFactory.js
index e34e4c0a1f..1bdee08810 100644
--- a/libraries/object-persistor/src/PersistorFactory.js
+++ b/libraries/object-persistor/src/PersistorFactory.js
@@ -22,7 +22,7 @@ function getPersistor(backend, settings) {
         Object.assign({}, settings.gcs, { Metrics: settings.Metrics })
       )
     default:
-      throw new SettingsError({ message: 'unknown backend', info: { backend } })
+      throw new SettingsError('unknown backend', { backend })
   }
 }
 
@@ -35,10 +35,7 @@ module.exports = function create(settings) {
     'Loading backend'
   )
   if (!settings.backend) {
-    throw new SettingsError({
-      message: 'no backend specified - config incomplete',
-      info: {}
-    })
+    throw new SettingsError('no backend specified - config incomplete')
   }
 
   let persistor = getPersistor(settings.backend, settings)
diff --git a/libraries/object-persistor/src/PersistorHelper.js b/libraries/object-persistor/src/PersistorHelper.js
index 3cec22a89c..06251c983b 100644
--- a/libraries/object-persistor/src/PersistorHelper.js
+++ b/libraries/object-persistor/src/PersistorHelper.js
@@ -80,14 +80,11 @@ async function verifyMd5(persistor, bucket, key, sourceMd5, destMd5 = null) {
       Logger.warn(err, 'error deleting file for invalid upload')
     }
 
-    throw new WriteError({
-      message: 'source and destination hashes do not match',
-      info: {
-        sourceMd5,
-        destMd5,
-        bucket,
-        key
-      }
+    throw new WriteError('source and destination hashes do not match', {
+      sourceMd5,
+      destMd5,
+      bucket,
+      key
     })
   }
 }
@@ -164,15 +161,9 @@ function wrapError(error, message, params, ErrorType) {
     ) ||
     (error.response && error.response.statusCode === 404)
   ) {
-    return new NotFoundError({
-      message: 'no such file',
-      info: params
-    }).withCause(error)
+    return new NotFoundError('no such file', params, error)
   } else {
-    return new ErrorType({
-      message: message,
-      info: params
-    }).withCause(error)
+    return new ErrorType(message, params, error)
   }
 }
 
diff --git a/libraries/object-persistor/src/S3Persistor.js b/libraries/object-persistor/src/S3Persistor.js
index ec44f1e672..e352693b65 100644
--- a/libraries/object-persistor/src/S3Persistor.js
+++ b/libraries/object-persistor/src/S3Persistor.js
@@ -306,10 +306,10 @@ module.exports = class S3Persistor extends AbstractPersistor {
       return new S3(this._buildClientOptions(null, clientOptions))
     }
 
-    throw new SettingsError({
-      message: 'no bucket-specific or default credentials provided',
-      info: { bucket }
-    })
+    throw new SettingsError(
+      'no bucket-specific or default credentials provided',
+      { bucket }
+    )
   }
 
   _buildClientOptions(bucketCredentials, clientOptions) {