Last Modified: Apr 28, 2025
                                            Affected Product(s):
                                            BIG-IP PEM
                                        
                                            Fixed In:
                                            17.5.0, 17.1.1, 16.1.4, 15.1.10
                                        
                                Opened: May 20, 2021 Severity: 3-Major
                                
                                    
The following message may be logged to /var/log/tmm* Can't process event 16, err: ERR_NOT_FOUND
Since the PEM policy is already applied to the session, the failure message is essentially cosmetic, but it can cause the tmm logs to grow in size if this is happening frequently.
Applying a PEM policy to an existing session that already has that policy (eg, through an irule using 'PEM::subscriber config policy referential set xxxx'
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