Yenangyang-Meiktila v. 1.0
No outcome descriptions. No AI objectives means human Defeat is not possible.
All Primary and Secondary Objectives should be advanced Turn +1 so as to conform to the stated objectives.
As was the case with Toungoo-Prome, there is a possibility that Primary and Secondary VP's may end up occupied by the Nationalist Chinese. If you require only the British alliance to control them, it may cost the player some objectives. I recommend setting all of the Allied "Hold" triggers to Team 1.
"We must deny the Japanese access to the important oil fields at Yenangyang.
Destroy the facilities if the enemy comes too close."
"We will hopefully get help from the Chinese Nationalist forces.
But their commanders are finicky and difficult to
cooperate with.
So you may need to divert some forces if the Chinese do not fulfill their promises and Meiktila is threatened."
Once again, all of the Japanese objective triggers are set to Open the Allied objective instead of Failed. Perhaps I am not understanding what you have in mind - it's difficult to know that of course - perhaps you want to give the Allies a chance to win back VP's before time expires. I look for Primary objectives at least to be resolved one way or the other in the end but I will have to let you think about this and decide.
There are three definite issues with one set of these triggers, however.
The Target Hex for the Allied Meiktila trigger points not to Meiktila but the partial hex above it; you can just see a remnant stub from the hex position locator here:

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The trigger itself refers to the wrong number of turns and the wrong objective:

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All three issues are found with the Japanese Meiktila trigger as well, with the additional issue that its "Check Hex Owner" refers to the wrong alliance.
Regarding the "Yenangyaung oil fields" trigger, the mission is to "Destroy the oil fields on or after turn-30." Perhaps, then, this should be Turn >29?:

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I'm not sure what you were trying to accomplish here. Please recall and consider:

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This also might be a problem with the "Yenangyaung oil fields" trigger in that you have them set up as belonging to the neutral faction but here, you are requiring them to be Japanese. In fact, this Condition would qualify instantaneously in that I don't think the Japanese have any of their own oil pumps on the map. To my knowledge, the oil pumps cannot be conquered and converted, only destroyed, so what was in your mind needs to be revisited:

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When you do straighten out the "Yenangyaung oil fields" trigger, don't forget to create another one that fails it.