diff --git a/docs/src/pages/docs/Miscellaneous/issue_codes.mdx b/docs/src/pages/docs/Miscellaneous/issue_codes.mdx
index b51ce9b248..df8b65f06f 100644
--- a/docs/src/pages/docs/Miscellaneous/issue_codes.mdx
+++ b/docs/src/pages/docs/Miscellaneous/issue_codes.mdx
@@ -263,3 +263,11 @@ The database is currently running too many queries.
 ```
 
 The database might be under heavy load, running too many queries. Please try again later, or contact an administrator for further assistance.
+
+## Issue 1028
+
+```
+One or more parameters specified in the query are malformatted.
+```
+
+The query contains one or more malformed template parameters. Please check your query and confirm that all template parameters are surround by double braces, for example, "{{ ds }}". Then, try running your query again.
diff --git a/superset-frontend/src/components/ErrorMessage/types.ts b/superset-frontend/src/components/ErrorMessage/types.ts
index e2d2f29233..4f16d385e9 100644
--- a/superset-frontend/src/components/ErrorMessage/types.ts
+++ b/superset-frontend/src/components/ErrorMessage/types.ts
@@ -57,6 +57,7 @@ export const ErrorTypeEnum = {
 
   // Sqllab error
   MISSING_TEMPLATE_PARAMS_ERROR: 'MISSING_TEMPLATE_PARAMS_ERROR',
+  INVALID_TEMPLATE_PARAMS_ERROR: 'INVALID_TEMPLATE_PARAMS_ERROR',
   RESULTS_BACKEND_NOT_CONFIGURED_ERROR: 'RESULTS_BACKEND_NOT_CONFIGURED_ERROR',
   DML_NOT_ALLOWED_ERROR: 'DML_NOT_ALLOWED_ERROR',
   INVALID_CTAS_QUERY_ERROR: 'INVALID_CTAS_QUERY_ERROR',
diff --git a/superset-frontend/src/setup/setupErrorMessages.ts b/superset-frontend/src/setup/setupErrorMessages.ts
index ab2fb2d83a..022edeed34 100644
--- a/superset-frontend/src/setup/setupErrorMessages.ts
+++ b/superset-frontend/src/setup/setupErrorMessages.ts
@@ -51,6 +51,10 @@ export default function setupErrorMessages() {
     ErrorTypeEnum.MISSING_TEMPLATE_PARAMS_ERROR,
     ParameterErrorMessage,
   );
+  errorMessageComponentRegistry.registerValue(
+    ErrorTypeEnum.INVALID_TEMPLATE_PARAMS_ERROR,
+    ParameterErrorMessage,
+  );
   errorMessageComponentRegistry.registerValue(
     ErrorTypeEnum.RESULTS_BACKEND_NOT_CONFIGURED_ERROR,
     DatabaseErrorMessage,
diff --git a/superset/errors.py b/superset/errors.py
index 02f4207942..d50030c1eb 100644
--- a/superset/errors.py
+++ b/superset/errors.py
@@ -66,6 +66,7 @@ class SupersetErrorType(str, Enum):
 
     # Sql Lab errors
     MISSING_TEMPLATE_PARAMS_ERROR = "MISSING_TEMPLATE_PARAMS_ERROR"
+    INVALID_TEMPLATE_PARAMS_ERROR = "INVALID_TEMPLATE_PARAMS_ERROR"
     RESULTS_BACKEND_NOT_CONFIGURED_ERROR = "RESULTS_BACKEND_NOT_CONFIGURED_ERROR"
     DML_NOT_ALLOWED_ERROR = "DML_NOT_ALLOWED_ERROR"
     INVALID_CTAS_QUERY_ERROR = "INVALID_CTAS_QUERY_ERROR"
@@ -152,6 +153,15 @@ ERROR_TYPES_TO_ISSUE_CODES_MAPPING = {
             ),
         },
     ],
+    SupersetErrorType.INVALID_TEMPLATE_PARAMS_ERROR: [
+        {
+            "code": 1028,
+            "message": _(
+                "Issue 1028 - One or more parameters specified in the query are "
+                "malformatted."
+            ),
+        },
+    ],
     SupersetErrorType.RESULTS_BACKEND_NOT_CONFIGURED_ERROR: [
         {
             "code": 1021,
diff --git a/superset/exceptions.py b/superset/exceptions.py
index cde7c3f44a..f22f359a3e 100644
--- a/superset/exceptions.py
+++ b/superset/exceptions.py
@@ -48,6 +48,19 @@ class SupersetErrorException(SupersetException):
         self.error = error
 
 
+class SupersetGenericErrorException(SupersetErrorException):
+    """Exceptions that are too generic to have their own type"""
+
+    def __init__(self, message: str) -> None:
+        super().__init__(
+            SupersetError(
+                message=message,
+                error_type=SupersetErrorType.GENERIC_BACKEND_ERROR,
+                level=ErrorLevel.ERROR,
+            )
+        )
+
+
 class SupersetErrorFromParamsException(SupersetErrorException):
     """Exceptions that pass in parameters to construct a SupersetError"""
 
@@ -97,11 +110,12 @@ class SupersetTemplateParamsErrorException(SupersetErrorFromParamsException):
     def __init__(
         self,
         message: str,
+        error: SupersetErrorType,
         level: ErrorLevel = ErrorLevel.ERROR,
         extra: Optional[Dict[str, Any]] = None,
     ) -> None:
         super().__init__(
-            SupersetErrorType.MISSING_TEMPLATE_PARAMS_ERROR, message, level, extra,
+            error, message, level, extra,
         )
 
 
diff --git a/superset/views/core.py b/superset/views/core.py
index f86f5c9eea..3be231475c 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -83,6 +83,7 @@ from superset.exceptions import (
     SupersetErrorsException,
     SupersetException,
     SupersetGenericDBErrorException,
+    SupersetGenericErrorException,
     SupersetSecurityException,
     SupersetTemplateParamsErrorException,
     SupersetTimeoutException,
@@ -2540,7 +2541,12 @@ class Superset(BaseSupersetView):  # pylint: disable=too-many-public-methods
 
         mydb = session.query(Database).get(database_id)
         if not mydb:
-            return json_error_response("Database with id %i is missing.", database_id)
+            raise SupersetGenericErrorException(
+                _(
+                    "The database referenced in this query was not found. Please "
+                    "contact an administrator for further assistance or try again."
+                )
+            )
 
         # Set tmp_schema_name for CTA
         # TODO(bkyryliuk): consider parsing, splitting tmp_schema_name from
@@ -2576,9 +2582,14 @@ class Superset(BaseSupersetView):  # pylint: disable=too-many-public-methods
         except SQLAlchemyError as ex:
             logger.error("Errors saving query details %s", str(ex), exc_info=True)
             session.rollback()
-            raise Exception(_("Query record was not created as expected."))
+            query_id = None
         if not query_id:
-            raise Exception(_("Query record was not created as expected."))
+            raise SupersetGenericErrorException(
+                _(
+                    "The query record was not created as expected. Please "
+                    "contact an administrator for further assistance or try again."
+                )
+            )
 
         logger.info("Triggering query_id: %i", query_id)
 
@@ -2600,7 +2611,10 @@ class Superset(BaseSupersetView):  # pylint: disable=too-many-public-methods
             query.status = QueryStatus.FAILED
             session.commit()
             raise SupersetTemplateParamsErrorException(
-                utils.error_msg_from_exception(ex)
+                message=_(
+                    'The query contains one or more malformed template parameters. Please check your query and confirm that all template parameters are surround by double braces, for example, "{{ ds }}". Then, try running your query again.'
+                ),
+                error=SupersetErrorType.INVALID_TEMPLATE_PARAMS_ERROR,
             )
 
         if is_feature_enabled("ENABLE_TEMPLATE_PROCESSING"):
@@ -2619,6 +2633,7 @@ class Superset(BaseSupersetView):  # pylint: disable=too-many-public-methods
                     )
                     + " "
                     + PARAMETER_MISSING_ERR,
+                    error=SupersetErrorType.MISSING_TEMPLATE_PARAMS_ERROR,
                     extra={
                         "undefined_parameters": list(undefined_parameters),
                         "template_parameters": template_params,