[How can I recover the two side panels in affinity publisher 2 for mac?]

THANKS sooo much !!!! I was lost !!! Thank you very much and sorry for the delay in responding.

[How can I recover the two side panels in affinity publisher 2 for mac?]

Hello good morning.
I am very happy to have found this community where we can support each other and be able to show what other users have done.

I attached a screenshot so you can see what happens to me.
As you can see, the two side panels that appear by default do not appear, without realizing it and being very tired editing a document at 11 at night, I don't know how I did so that they do not appear now.
I appreciate your help in advance.

Greetings