before you send me to check already solved similar questions, this is not the same case.
Common problem is conflict with installed plugins -> disable/enabled them all, none, different order = nothing (I dont have jetpack, google dashboard, wp cards)
Another cause is template -> changed template, no difference but if I add Civi into blank Wordpress instalation it works.
Does anyone have same experience that it cannot be fixed with the "common" way ? And if yes did you manage to fix it ?