This is a strange error and refers to the large pool. Large pool is usually used for backup and things like GG. Your trace file doesn't show the SQL. I would call Oracle support and try flushing the shared pool as a palliative measure.
On 5/13/19 10:33 AM, Alessandro Vercelli (Redacted sender alever22 for DMARC) wrote:
I tried to increase values for shared_pool_size/shared_pool_reserved_size, sga_target but no success
Thanks for your time and suggestions