EA doesn't place orders anymore (suddenly) on MT4

Hello coders, I am using since at least one year a simply EA : it is based on Parabolic Sar , so I can follow easily graphically if there are conditions to enter.
It's since the 10th of February that my EA is not placing orders. (it has always worked fine til now)
But I am going crazy because I see on the chart conditions to enter, but my EA suddenly doesn't care at all....
I have also opened a demo account...same thing... signals are to enter (buy or sell) but my EA doesn't place nothing.

Do you have any idea or experience about?

Many thanks in advance .
Greetings, Lorenzo

While your EA is running for a few hours or, however long it usually takes to place a trade, check the Experts and Journal tabs for error messages. Another thing that fixes most issues is to force-download the historical data for all pairs in Market Watch.

hi theres...
can u plz create an EA for something like hedging n little martingale.. m searching from a long time but cant find...
i need an ea.. like if i open a buy trade n 20 or 30 pip sl then on sl one sell stop pending order will open...n when buy sl will hit so its means sell pending order will active so then on sell tradez SL next buy stop pending order will open......like 40 or 50 trades setting like this... n every trade's lot size can i set suppose 1st trade 0.01 ...2nd trade may b 0.05..... third trade 0.30 not automultiply bcoz some some 1st trade will 0..01 then 2nd 0.05 third 0.50.. meanz in that ea i can set lot size on every trade...plz plz plzzzzzzzzzzzz help me..
n thx in advance...

Issue solved easily: old release of MT4; now with build 1260 everything is still working properly.

Thanks, greetings.

Lorenzo