What does that mean?

 

this error apear to me

2006.06.06 11:10:17 USDJPY,H1: invalid ticket for OrderModify function

what does that mean plz?

 
dr_waleed:
this error apear to me

2006.06.06 11:10:17 USDJPY,H1: invalid ticket for OrderModify function

what does that mean plz?

It means that your OrderModify function is trying to modify order that has invalid ticket. This can happen for many reasons. One example is when your EA tries to modify an order, but the order has been closed (meet TP or SL). Another possible reason is your EA has program logic error. Check your EA code again.

-RJ1-

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