On Fri, Nov 03, 2023 at 05:25:14PM +0100, Thomas Haller wrote: > diff --git a/src/statement.c b/src/statement.c > index f5176e6d87f9..d52b01b9099a 100644 > --- a/src/statement.c > +++ b/src/statement.c > @@ -141,6 +141,7 @@ static const struct stmt_ops chain_stmt_ops = { > .type = STMT_CHAIN, > .name = "chain", > .print = chain_stmt_print, > + .json = NULL, /* BUG: must be implemented! */ This is a bit starting the house from the roof. Better fix this first, so this ugly patch does not need to be applied.