Solution : https://service.sap.com/sap/support/notes/894100 (SAP Service marketplace login required)
Key words :
exceeded time <date> release <release> component sap-gateway rc 633, host <host> / <service> error max, describes additional gateway parameters, location sap-gateway, cpic clients exceeded, terms gw/max_sys, gw/max_sys parameter, error message, rfc connection, system issues
Related Notes :
| 887909 | Maximum number of gateway connections exceeded |
| 384971 | System parameters for high interface load |