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-rw-r--r--src/vpp-api/python/vpp_papi.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vpp-api/python/vpp_papi.py b/src/vpp-api/python/vpp_papi.py
index 55dda1044b6..14f367c2336 100644
--- a/src/vpp-api/python/vpp_papi.py
+++ b/src/vpp-api/python/vpp_papi.py
@@ -246,7 +246,10 @@ class VPP():
for k in kwargs:
if k not in msgdef['args']:
- raise ValueError(1, 'Invalid field-name in message call ' + k)
+ raise ValueError(1,'Non existing argument [' + k + ']' + \
+ ' used in call to: ' + \
+ self.id_names[kwargs['_vl_msg_id']] + '()' )
+
for k, v in vpp_iterator(msgdef['args']):
off += size