diff --git a/spectacles/exceptions.py b/spectacles/exceptions.py
index 16c3a673..065eb4cd 100644
--- a/spectacles/exceptions.py
+++ b/spectacles/exceptions.py
@@ -135,7 +135,7 @@ def __init__(
         model: str,
         explore: str,
         dimension: Optional[str],
-        sql: str,
+        sql: Optional[str],
         message: str,
         line_number: Optional[int] = None,
         explore_url: Optional[str] = None,
diff --git a/spectacles/types.py b/spectacles/types.py
index c4576369..50e23031 100644
--- a/spectacles/types.py
+++ b/spectacles/types.py
@@ -61,7 +61,7 @@ class ErrorData(BaseModel):
     class MultiErrorData(BaseModel):
         id: str
         runtime: float
-        sql: str
+        sql: Optional[str]
         errors: Optional[Tuple[QueryError, ...]]
 
     status: Literal["error"]
@@ -72,7 +72,7 @@ def runtime(self) -> float:
         return self.data.runtime
 
     @property
-    def sql(self) -> str:
+    def sql(self) -> Optional[str]:
         return self.data.sql
 
     @property