From da6c28eb1372e734486caf51bc424404dc981493 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <angt@huggingface.co>
Date: Sun, 27 Sep 2026 12:05:50 +0200
Subject: [PATCH] common : throw instead of abort on grammar without llguidance
 (#29516)
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Signed-off-by: Adrien Gallouët <angt@huggingface.co>
---
 common/sampling.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/sampling.cpp b/common/sampling.cpp
index 06dea1e1cc..27a752cc8d 100644
--- a/common/sampling.cpp
+++ b/common/sampling.cpp
@@ -214,7 +214,7 @@ struct common_sampler * common_sampler_init(
 #ifdef LLAMA_USE_LLGUIDANCE
         grmr = llama_sampler_init_llg(vocab, "lark", grammar_str.c_str());
 #else
-        GGML_ABORT("llguidance (cmake -DLLAMA_LLGUIDANCE=ON) is not enabled");
+        throw std::runtime_error("failed to parse grammar: llguidance is not enabled");
 #endif // LLAMA_USE_LLGUIDANCE
     } else {
         std::vector<std::string> trigger_patterns;