Help with the diagnosis ⇐ Hotpoint-Ariston

[to you]

Question: an error occurred !!!
the lights are blinking:
1) Indicator of lack of regenerating salt
2) Indicator of lack of rinse aid
light without blinking:
n1) Drying indicator
2) Start/Pause button and indicator

tell me what the error is? and where can I get error codes for Hotpoint-Ariston mechanical machines, in particular LFB 5B019?

I’ll send you a video of the error in a private message, I can’t post the link ((