Nope ... No go for me either ... Cleared cache and guide info ... Restarted Kodi ... all my preferences seem correct as indicated above ...Still no go .... If anyone fiqures this one out please post your resolve. Thanks ...
Try to delete the epgxmltv.xml file which is located:
SYSTEM->File Manager->Profile Directory->addon_data and then you'll have to choose either pvr.stalker or pvr.iptvsimple after selecting one delete the epgxmltv.xml file restart Kodi and the guide should load without issues.