From 1639471250b4c8ead55c1699bab43efecd3bd8c3 Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Thu, 7 Mar 2024 17:16:39 +0100
Subject: [PATCH] Fix crash running export2sql when MAM enabled but MUC
 disabled

Problem introduced in cfc393a
---
 src/ejd2sql.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ejd2sql.erl b/src/ejd2sql.erl
index 1400ba0da..090bb32f0 100644
--- a/src/ejd2sql.erl
+++ b/src/ejd2sql.erl
@@ -74,7 +74,10 @@ export(Server, Output) ->
     close_output(Output, IO).
 
 export(Server, Output, mod_mam = M1) ->
-    MucServices = gen_mod:get_module_opt_hosts(Server, mod_muc),
+    MucServices = case gen_mod:is_loaded(Server, mod_muc) of
+        true -> gen_mod:get_module_opt_hosts(Server, mod_muc);
+        false -> []
+    end,
     [export2(MucService, Output, M1, M1) || MucService <- MucServices],
     export2(Server, Output, M1, M1);
 export(Server, Output, mod_pubsub = M1) ->