There isn't exactly agreement that the optimised script is the source of the problem; however since cutting out the client ruler part of the script entirely I've had none of the problems with cloned AI Family Members or other inexplicable CTDs.
Solution in tech support is to use the even newer optimised script which alters a bunch of other files so that it's both faster than the original, and does what it's supposed to. Some of the earlier attempts caused client rulers to be interlopers and such.
It began on seven hills - an EB 1.1 Romani AAR with historical house-rules (now ceased)
Heirs to Lysimachos - an EB 1.1 Epeiros-as-Pergamon AAR with semi-historical houserules (now ceased)
Philetairos' Gift - a second EB 1.1 Epeiros-as-Pergamon AAR
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