3556614 - ADS error occurs when connect to BTP CF Environment

• Error ADS: com.adobe.ProcessingException: com.adobe.Processin(200101) occurs
• Error "HTTP/1.0 503 Service Unavailable" shows in soapresponse.
• Webdispatcher trace shows error like below:
  [Thr 10512] *** WARNING => Failed to read group info for system XXX (ABAP,HTTPS) from : Connection request to partner failed(-20) [icrxx.c      3541]
  [Thr 10512] *** WARNING => Failed to read URL prefix info for system XXX (ABAP,HTTPS) from : Connection request to partner failed(-20) [icrxx.c      3541]
  [Thr 10512]   SSL_get_state()==0x2131 "TLS read server certificate B"
  [Thr 10512] *** ERROR in secussl_read: SSL_read() lasterr 0x2000051d
  [Thr 10512]   => "Failed to verify peer certificate. Peer not trusted." 
  ........
  [Thr 10512] <<- ERROR: SapSSLSessionStartNB(sssl_hdl=27d79b2a150)==SSSLERR_PEER_CERT_UNTRUSTED
  [Thr 10512] *** ERROR => IcmConnPoolStartSsl: SapSSLSessionStartNB failed (-102): SSSLERR_PEER_CERT_UNTRUSTED 

• SAP S4 HANA On premise system 1809 (SP8+), 1909 (SP6+), 2020 (SP4+), 2021, or higher.
• SAP NetWeaver 7.50 SP 24 or higher.
• SAP BTP, multi-cloud environment.

503 Service Unavailable;ADS;Cloud Foundry;webdispatcher , KBA , BC-SRV-FP-CF , Adobe-Interactive-Forms-Cloud-Wartung, Cloud Foundry , BC-CST-WDP , Web Dispatcher , Problem