Dani Olmo transfer process is only waiting for approval from Leipzig, if the club is satisfied with the offer submitted by Barcelona, Dani Olmo move to Barcelona will be made official soon. The financial difficulties that have befallen Barcelona have limited their movement in the transfer market, Barcelona is also still waiting for offers from other clubs to sell players who are not included in Hansi Flick plans this season.
Indeed, based on several rumors, it is said that there has been a personal agreement between Barcelona and Dani Olmo himself. Barcelona also said that the negotiations are going quite smoothly. However, But from what I read from several sources, it says that for now, other rumors say that Leipzig is currently still not releasing the Spanish midfielder because they are not still satisfied with the price that Barcelona wants to sign Olmo. In fact, Leipzig has sent a warning regarding Barcelona's offer to Olmo, due to Leipzig's incompatibility and dissatisfaction with the price offered by Barcelona for one of Leipzig's key players. 
Source: RB Leipzig not satisfied with #Barca‘s offer for Dani #Olmo
Source: RB Leipzig manager sends warning to Barcelona over Dani Olmo offer
Marco Rose said that Dani Olmo is a top player at the moment and has a high value. So with the price offered by Barcelona for the player is still not in accordance with the player's current value.