From 9a27cb6a51e540fde0e2f1f90e6b95d65f1a4b48 Mon Sep 17 00:00:00 2001
From: Lemongrass3110 <lemongrass@kstp.at>
Date: Tue, 4 Jan 2022 13:23:27 +0100
Subject: [PATCH] Fixed pc_checkskill in pre-renewal (#6438)

Fixes #6433

Thanks to @Shaktohh and @aleos89
---
 src/map/pc.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/map/pc.cpp b/src/map/pc.cpp
index 85a1a85f72..466ee22b7a 100755
--- a/src/map/pc.cpp
+++ b/src/map/pc.cpp
@@ -6579,7 +6579,16 @@ uint8 pc_checkskill(struct map_session_data *sd, uint16 skill_id)
 	uint16 idx = 0;
 	if (sd == NULL)
 		return 0;
+
+#ifdef RENEWAL
 	if ((idx = skill_get_index(skill_id)) == 0) {
+#else
+	if( ( idx = skill_get_index_( skill_id, skill_id >= RK_ENCHANTBLADE, __FUNCTION__, __FILE__, __LINE__ ) ) == 0 ){
+		if( skill_id >= RK_ENCHANTBLADE ){
+			// Silently fail for now -> future update planned
+			return 0;
+		}
+#endif
 		ShowError("pc_checkskill: Invalid skill id %d (char_id=%d).\n", skill_id, sd->status.char_id);
 		return 0;
 	}