3350245 - [Error] maximum number of external connections exceeded

• Found following error message in indexserver trace:

[24805]{-1}[-1/-1] 2023-06-29 11:10:32.549471 e SQLSession       sm_session.cc(00156) : maximum number of external connections (6000) exceeded
[24805]{-1}[-1/-1] 2023-06-29 11:10:32.550114 e SQLSession       tcp_listener_callback.cc(00591) : SqlListener failed to handle event: ERROR [CODE-142] exceed max num of concurrent transactions: maximum number of external connections exceeded
exception  1: no.71000142  (ptime/session/sm_session.cc:157) TID: 24805
    maximum number of external connections exceeded
NO exception throw location recorded. Stack generation suppressed.
exception type information:
 - 0: public ptime::PtimeError@0x00007f8ac9fbdde0 SI
   - 0: public ptime::PtimeException@0x00007f8ac9fbdc78 SI
     - 0: public Diagnose::PtimeExceptionBase@0x00007f8ac9fbda68 SI
       - 0: public ltt::exception@0x00007f8ac3c34610

OR

Below error is thrown on application side:

Error: Connection failed (RTE:[89013] Socket closed by peer {<IP_address> -> <HANA_Cloud_IP_address} (<IP_address> -> <HANA_Cloud_endpoint>))

SAP HANA Cloud, HANA Database

exceed max num of concurrent transactions, maximum number of external connections exceeded, ERROR [CODE-142],  , KBA , HAN-CLS-HC , HANA Cloud Services HANA Cloud , Problem