Prevent `qmk migrate` processing unparsed info.json values (#22374)

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/python/qmk/info.py b/lib/python/qmk/info.py
index 5500ecdd19..b018ba96fd 100644
--- a/lib/python/qmk/info.py
+++ b/lib/python/qmk/info.py
@@ -501,6 +501,9 @@ def _config_to_json(key_type, config_value):
     """Convert config value using spec
     """
     if key_type.startswith('array'):
+        if key_type.count('.') > 1:
+            raise Exception(f"Conversion of {key_type} not possible")
+
         if '.' in key_type:
             key_type, array_type = key_type.split('.', 1)
         else: