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-rw-r--r--advtrains_interlocking/route_ui.lua6
1 files changed, 6 insertions, 0 deletions
diff --git a/advtrains_interlocking/route_ui.lua b/advtrains_interlocking/route_ui.lua
index 9b1a0da..45aaa82 100644
--- a/advtrains_interlocking/route_ui.lua
+++ b/advtrains_interlocking/route_ui.lua
@@ -94,9 +94,14 @@ function atil.show_route_edit_form(pname, sigd, routeid)
local c_tcbs, c_ts_id, c_ts, c_rseg, c_lckp
while c_sigd and i<=#route do
c_tcbs = ildb.get_tcbs(c_sigd)
+ if not c_tcbs then
+ itab("-!- No TCBS at "..sigd_to_string(c_sigd)..". Please reconfigure route!")
+ break
+ end
c_ts_id = c_tcbs.ts_id
if not c_ts_id then
itab("-!- No track section adjacent to "..sigd_to_string(c_sigd)..". Please reconfigure route!")
+ break
end
c_ts = ildb.get_ts(c_ts_id)
@@ -112,6 +117,7 @@ function atil.show_route_edit_form(pname, sigd, routeid)
itab(" Lock: "..pts.." -> "..state)
if not advtrains.is_passive(pos) then
itab("-!- No passive component at "..pts..". Please reconfigure route!")
+ break
end
end
end