[Spce-user] Errore Upgrade from 8.5.1 to 9.0.1 (Expected required key 'add_header_to_detect_device')

[cappellari at connectlife.it]

Hello, I have a problem while upgrading from sipwise 8.5.1 to 9.0.1. When I run ngcpcfg check I get the error: 

2020-10-27 22:16:28 sbc: Error: Invalid schema detected for /etc/ngcp-config/config.yml 
/etc/ngcp-config/config.yml#0: INVALID 
- [/tpcc] Expected required key 'add_header_to_detect_device' 

2020-10-27 22:16:28 sbc: Error: Aborted, please fix issue(s) above and repeat. 


How do I resolve? 

thank you 

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