Add a missing hint.

[nageru] / nageru / theme.cpp

diff --git a/nageru/theme.cpp b/nageru/theme.cpp
index f7f752250615323ebcc1c4f7d37c4fd8770a0006..b53c65bc3434f61aae29904c242254893a672d75 100644 (file)
--- a/nageru/theme.cpp
+++ b/nageru/theme.cpp
@@ -1538,6 +1538,7 @@ string Theme::get_channel_name(unsigned channel)
        const char *ret = lua_tostring(L, -1);
        if (ret == nullptr) {
                fprintf(stderr, "function `channel_name' returned nil for channel %d\n", channel);
+               fprintf(stderr, "Try Nageru.set_channel_name(channel, name) at the start of the script instead.\n");
                abort();
        }