Try to return JSON error when receiving API call fails

although in my testing, the error still got raised somehow in the
tweens or something?  client then sees it as a 500 response and gets
no JSON

tailbone/api/batch/receiving.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2023 Lance Edgar
+#  Copyright © 2010-2024 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -27,6 +27,7 @@ Tailbone Web API - Receiving Batches
 import logging
 
 import humanize
+import sqlalchemy as sa
 
 from rattail.db import model
 from rattail.util import pretty_quantity
@@ -440,9 +441,17 @@ class ReceivingBatchRowViews(APIBatchRowView):
         # handler takes care of the row receiving logic for us
         kwargs = dict(form.validated)
         del kwargs['row']
+        try:
             self.batch_handler.receive_row(row, **kwargs)
-
             self.Session.flush()
+        except Exception as error:
+            log.warning("receive() failed", exc_info=True)
+            if isinstance(error, sa.exc.DataError) and hasattr(error, 'orig'):
+                error = str(error.orig)
+            else:
+                error = str(error)
+            return {'error': error}
+
         return self._get(obj=row)
 
     @classmethod