Hi
Logs refer to “stat” which should be input registers. It does not match the configuration you pasted with discrete inputs and with name onoffcmdstat.
Check if you are suffering from this openhab2 issue : https://github.com/openhab/openhab1-addons/issues/5084 (check the link at end). Openhab2 caches configuration which might lead to these kind of ssues . Especially note this trick to clear up the cache
Sami
Edit : Are you using openhab2 or openhab1? The above only applies to openhab2.