diff --git a/edgedb/__init__.py b/edgedb/__init__.py
index bf565921..353bdfcd 100644
--- a/edgedb/__init__.py
+++ b/edgedb/__init__.py
@@ -137,6 +137,7 @@
     DuplicateFunctionDefinitionError,
     DuplicateConstraintDefinitionError,
     DuplicateCastDefinitionError,
+    DuplicateMigrationError,
     SessionTimeoutError,
     IdleSessionTimeoutError,
     QueryTimeoutError,
@@ -147,6 +148,7 @@
     DivisionByZeroError,
     NumericOutOfRangeError,
     AccessPolicyError,
+    QueryAssertionError,
     IntegrityError,
     ConstraintViolationError,
     CardinalityViolationError,
@@ -155,11 +157,13 @@
     TransactionConflictError,
     TransactionSerializationError,
     TransactionDeadlockError,
+    WatchError,
     ConfigurationError,
     AccessError,
     AuthenticationError,
     AvailabilityError,
     BackendUnavailableError,
+    ServerOfflineError,
     BackendError,
     UnsupportedBackendFeatureError,
     LogMessage,
@@ -234,6 +238,7 @@
     "DuplicateFunctionDefinitionError",
     "DuplicateConstraintDefinitionError",
     "DuplicateCastDefinitionError",
+    "DuplicateMigrationError",
     "SessionTimeoutError",
     "IdleSessionTimeoutError",
     "QueryTimeoutError",
@@ -244,6 +249,7 @@
     "DivisionByZeroError",
     "NumericOutOfRangeError",
     "AccessPolicyError",
+    "QueryAssertionError",
     "IntegrityError",
     "ConstraintViolationError",
     "CardinalityViolationError",
@@ -252,11 +258,13 @@
     "TransactionConflictError",
     "TransactionSerializationError",
     "TransactionDeadlockError",
+    "WatchError",
     "ConfigurationError",
     "AccessError",
     "AuthenticationError",
     "AvailabilityError",
     "BackendUnavailableError",
+    "ServerOfflineError",
     "BackendError",
     "UnsupportedBackendFeatureError",
     "LogMessage",
diff --git a/edgedb/errors/__init__.py b/edgedb/errors/__init__.py
index cfe55e1d..424edc91 100644
--- a/edgedb/errors/__init__.py
+++ b/edgedb/errors/__init__.py
@@ -94,6 +94,7 @@
     'AuthenticationError',
     'AvailabilityError',
     'BackendUnavailableError',
+    'ServerOfflineError',
     'BackendError',
     'UnsupportedBackendFeatureError',
     'LogMessage',
@@ -440,6 +441,11 @@ class BackendUnavailableError(AvailabilityError):
     tags = frozenset({SHOULD_RETRY})
 
 
+class ServerOfflineError(AvailabilityError):
+    _code = 0x_08_00_00_02
+    tags = frozenset({SHOULD_RECONNECT, SHOULD_RETRY})
+
+
 class BackendError(EdgeDBError):
     _code = 0x_09_00_00_00
 
diff --git a/tests/test_async_query.py b/tests/test_async_query.py
index bd9fd3a9..6058a980 100644
--- a/tests/test_async_query.py
+++ b/tests/test_async_query.py
@@ -61,12 +61,16 @@ async def test_async_parse_error_recover_01(self):
             with self.assertRaises(edgedb.EdgeQLSyntaxError):
                 await self.client.query('select syntax error')
 
-            with self.assertRaisesRegex(edgedb.EdgeQLSyntaxError,
-                                        'Unexpected end of line'):
+            with self.assertRaisesRegex(
+                edgedb.EdgeQLSyntaxError,
+                r"(Unexpected end of line)|(Missing '\)')"
+            ):
                 await self.client.query('select (')
 
-            with self.assertRaisesRegex(edgedb.EdgeQLSyntaxError,
-                                        'Unexpected end of line'):
+            with self.assertRaisesRegex(
+                edgedb.EdgeQLSyntaxError,
+                r"(Unexpected end of line)|(Missing '\)')"
+            ):
                 await self.client.query_json('select (')
 
             for _ in range(10):
diff --git a/tests/test_sync_query.py b/tests/test_sync_query.py
index 8dd35c3c..399df28b 100644
--- a/tests/test_sync_query.py
+++ b/tests/test_sync_query.py
@@ -53,12 +53,16 @@ def test_sync_parse_error_recover_01(self):
             with self.assertRaises(edgedb.EdgeQLSyntaxError):
                 self.client.query('select syntax error')
 
-            with self.assertRaisesRegex(edgedb.EdgeQLSyntaxError,
-                                        'Unexpected end of line'):
+            with self.assertRaisesRegex(
+                edgedb.EdgeQLSyntaxError,
+                r"(Unexpected end of line)|(Missing '\)')"
+            ):
                 self.client.query('select (')
 
-            with self.assertRaisesRegex(edgedb.EdgeQLSyntaxError,
-                                        'Unexpected end of line'):
+            with self.assertRaisesRegex(
+                edgedb.EdgeQLSyntaxError,
+                r"(Unexpected end of line)|(Missing '\)')"
+            ):
                 self.client.query_json('select (')
 
             for _ in range(10):