diff --git a/contrib/gana b/contrib/gana
index efb03a1d2..cf9e9f70a 160000
--- a/contrib/gana
+++ b/contrib/gana
@@ -1 +1 @@
-Subproject commit efb03a1d25bad8bd6c40b37c9295d9b3e50ee5e9
+Subproject commit cf9e9f70ae04da02be8d11fde5668e2ef72adc57
diff --git a/doc/prebuilt b/doc/prebuilt
index b988d98d4..1ed97b23f 160000
--- a/doc/prebuilt
+++ b/doc/prebuilt
@@ -1 +1 @@
-Subproject commit b988d98d4856758484eb23c27bfdc9e602d4235a
+Subproject commit 1ed97b23f19c80fa84b21a5eb0c686d5491e8ec6
diff --git a/src/bank-lib/bank_api_credit.c b/src/bank-lib/bank_api_credit.c
index 1ea2e269e..36cab3d51 100644
--- a/src/bank-lib/bank_api_credit.c
+++ b/src/bank-lib/bank_api_credit.c
@@ -167,6 +167,9 @@ handle_credit_history_finished (void *cls,
                                j))
     {
       GNUNET_break_op (0);
+      json_dumpf (j,
+                  stderr,
+                  JSON_INDENT (2));
       response_code = 0;
       ec = TALER_EC_GENERIC_INVALID_RESPONSE;
       break;