How to solve this error? Instance instanceRef

Instance instanceRef ability in file attrib:\instances\ebps\races\french\buildings\building_landmark_age1_chamber_of_commerce_fre\building_landmark_age1_chamber_of_commerce_fre.xml references an instance that doesn’t exist (00000000000000000000000000000000:abilities\toggle_abilities\civ_core\core_market_auto_sell_food_enable). Value changed to null.
Instance instanceRef ability in file attrib:\instances\ebps\races\french\buildings\building_landmark_age1_chamber_of_commerce_fre\building_landmark_age1_chamber_of_commerce_fre.xml references an instance that doesn’t exist (00000000000000000000000000000000:abilities\toggle_abilities\civ_core\core_market_auto_sell_stone_enable). Value changed to null.
Instance instanceRef ability in file attrib:\instances\ebps\races\french\buildings\building_landmark_age1_chamber_of_commerce_fre\building_landmark_age1_chamber_of_commerce_fre.xml references an instance that doesn’t exist (00000000000000000000000000000000:abilities\toggle_abilities\civ_core\core_market_auto_sell_wood_enable). Value changed to null.

Pretty sure these are standard attribute warnings that shouldn’t affect your tuning pack’s performance.

got it, thanks for your help