Error Message :
ORA-04031: unable to allocate 32 bytes of shared memory
Symptoms
First, The AE server becomes unresponsive.
No connections can be established: no GUI connection and agents lose their connections.
Second, server processes (CP and WP) crash immediately after startup.
Investigation
The error message 'ORA-04031: unable to allocate 32 bytes of shared memory' appears in the CP and WP logs.
It is impossible to connect to the database with a client such as SQL Developer, for instance. The error 'ORA-04031: unable to allocate 32 bytes of shared memory' is immediately displayed.
Resolution
This is an Oracle error : https://docs.oracle.com/en/engineered-systems/health-diagnostics/autonomous-health-framework/ahfug/ora-04031.html
Please contact a DBA to fix this.