@Komal-Sharma Have You news regarding the problem?
Thank You so much
Antonio

@Komal-Sharma Thank You for reply,
below the shared dev.log.

link text

@Komal-Sharma Thank You so much for Your help.
We have installed the last version available, using composer.
I have also cleared after mailbox setutp and confirm You, We receive the same error.

Dear All,
We are verifying the error in object when I attempt to manually fetching email.
All the configuration appear as ok, We have tested step by step all the principal steps. Now I have sended a new mail to the support account mail, and now I see the mail is retrieved but not processed with the error:
"An unexpected error occurred: Warning: Trying to access array offset on value of type null"
My installation is on ubuntu, php8.2, apache, mysql.
Attached the screenshot of the problem.
Some idea regarding this problem?