Problem running multiple EAs

[adawang]

I run multiple EAs on one MT4 platform and multiple MT4 platform on a same PC. I found that some of my EA does not work as normal, example, closing a trade that the EA doesn't have the signal to close. I checked the running EAs do not have the same Magicband no. Why can this happen? Can there be issue that other EAs close the trade for another EAs with different Magicband no?

[William Roeder]

adawang: Why can this happen? Can there be issue that other EAs close the trade for another EAs with different Magicband no?	Of course there can be a issue. The EA may have a magic number external but one or the other isn't using it. Fix the EAs.

[adawang]

I checked all EAs check for correct Magicnumber and symbol before closing the trade. What else can  be wrong?