Disregard. It is caused by FTX Vector not FlyTampa problem.

After fresh install of FT Tampa in P3Dv45 and P3Dv5.2hf1 I get this:
Tks

Yes, there is an actual fix. Look at this link
viewtopic.php?f=16&t=10165

Cheers

Update and final solution (I think) Tks to nyfe for this info about code H. 1. If the flytampa autogen editor did its job, the proper entries would have been put in default.xml 2. The fly grenadines autogen puts its files startiing at <CODE>R</CODE> 3. In my case that is where they were (using P3Dv3...

If you have setup FT Grenadines correctly with autogen and your default.xml is not corrupt it is still possible that Autogen is not working. In my case, I have found the culprit to be the file: OLC_NA_REG.bgl located in the ORBX FTX_OLC Scenery folder. I have switched it off and my autogen is 100% o...

A suggestion:
I just had a water polygon problem also at TNCM.
Many hours of analysis and reconfiguring did not help. Until I decided to clear up the shaders cache folder.
That did it. No more polygon problems.
Just my two cents.

I can confirm the workaround with no colateral visuals.
Tks Stillwater