Can someone help on this scenario .....as classic supports 2-3 inner nested multi fields and the authoring experience is also good whereas touch ui does not(if it supports till 2-3 levels atleast it is helpful) , If 2nd level nested multi field is added dialog breaks and also json at the backend does not store properly....Please help if anyone has faced similar scenario and succeeded in resolving ....Thanks in advance...
It seems this issue is already been fixed in - AEM 22.214.171.124 via NPR-24177  . The issue reported was - values are stored directly under the component node rather than being stored at the multifield item level.
Also another approach can be to please switch to Coral3 implementation .
In case you still face issue , I would request you to please open a ticket with daycare support so that it can be looked upon.