Simple EA Error

[Jimmy Chee]

Very strange.

I create very simple EA with only 3 blocks to try. But I got an error when compile with MetaEditor 4. Please advise what going wrong.

Attach snapshot and mq4 file. 0_1531262526714_Test.mq4

[ronniethetrader]

You do not have a buy condition. What is the criteria to buy?

[Jimmy Chee]

Thank Ronnie. I try to add buy condition.

For your info, I create a same Blocks for MT5, is working.