hi,
i have 2 questions:
when i make the flank1 waypoints per example...and after saving...the red line dissappear and i can't change it...
why ?
secondly, i build an AI and i give him lots of space for inner and outerperimeter...and when the game run...it's only build the base and stop...
why ?

I would guess that these might be caused by improper methods or map setup but can't tell without seeing the map.
Just to reiterate what you might already know, to make a pathway, you place a waypoint by left-clicking on a location and holding this button down while dragging out a line to a new spot. You will see the red line with an arrow indicating the direction of the path. The path is "Labeled" by adding the pathway name to one of the three "Waypoint Path Labels" text areas. I also know that from some angles a pathway might not be seen but is still there.

You might see if supply docks are close enough to the AI start location or change the supply position with relation to the start position. I have seen a bug before with the AI "stopping" that was related to supply location. Maybe the placement interferes with where they are scripted to build another structure, don't know. It seems to only effect certain factions. Adding several supply docks might also help.

As Drummin said, your waypoint path is probably still there, it just disappears at certain angles. As for the AI problem, I have seen that on a couple of my maps too. I never would have guessed so many problems are caused by the position the supply docks. I have a map, I guess caused by spacing, where the AI is set up in 2 rows of 3 (6 ai in total) the 4 on the right build perfectly, the 2 on the left stop after building a war factory and will not rebuild but they build a butt-ton of dozers and leave them there at the command center. lol. MOAB party.

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well i've been with trouble about scripting AI to build for a month, by the way they will always try build same structures in same places (except defenses, built in different directions) even without inner perimeter. the perimeter is used if the area to build is not a "square" or has obstacles, then AI will try build the desired structure in any possible location within inner perimeter until base is complete. If he just don't find space (for example) then AI will keep doing what it's doing and then just pause everything. had a similar problem with china tank general, didn't want build propaganda center in position 3.

@yurdeath2010
if you still stuck with the map post the file and i'll try fix it, and congrats for promotion lol

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I will direct you to this post  to hopefully help with AI building issues.