Thank you posting these logs. There are indeed a few errors in the logs, but they're errors that are present for everyone.
Code:
10:10:48.858 [game.script] [error] Script execution error for <siege_settlement>, at line 11653, in mods/ebii/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
Attacker <sauroleader1> cannot siege settlemnt <sett_070>.
10:12:49.546 [game.script] [error] Trigger processing error in <Seleukid_Tetagmenos>
: PercentageUnitCategory needs a living character with an army.
when testing <PercentageUnitCategory> condition
10:12:52.762 [game.script] [error] Script execution error for <if>, at line 88327, in mods/ebii/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
I_WonBattle needs a faction that was in the battle
when testing <I_WonBattle> condition
10:14:37.080 [game.script] [error] Script execution error for <console_command>, at line 44984, in mods/ebii/data/world/maps/campaign/imperial_campaign/campaign_script.txt:
create_unit sett_096 "hellenistic infantry toxotai" 1 0 0 0
err: cannot add unit(s) because the garrison already contains the maximum number of units
Did you make any local modifications to your game?
Also, did you update to 2.35a R3.5? There's a post-release patch that may have fixed your issues.