Description: RFC calls (Remote Function Calls) were sent with invalid user ID &P5.

SAP Help, Wiki Resources, and Forum Discussions on CALL_FUNCTION_SYSCALL_ONLY

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Related Error

ERROR Description
CALL_FUNCTION_SIGNON_REJECTED User &P5 in client &P4 is system &P6 has attempted to submit an RFC
CALL_FUNCTION_SINGLE_LOGIN_REJ An RFC call (Remote Function Calls) was sent with invalid user ID &P3.
CALL_RPERF_SLOGIN_READ_ERROR A Remote Function Call (RFC) was submitted from system &P6 with a trust
CALL_RPERF_SLOGIN_AUTH_ERROR A Remote Function Call (RFC) was submitted from system &P6 with a trust

Transaction Codes for SAP Error CALL_FUNCTION_SYSCALL_ONLY

TCODE Description Functional Area
SM59 RFC Destinations (Display/Maintain) Basis - RFC
SM58 Asynchronous RFC Error Log Basis - RFC
ST22 ABAP Dump Analysis Basis - Syntax, Compiler, Runtime
SMQ1 qRFC Monitor (Outbound Queue) Basis - RFC
SMQ2 qRFC Monitor (Inbound Queue) Basis - RFC
SM21 Online System Log Analysis Basis - SAP System Log


TABLE Description Functional Area
RFC_SYSTEM_INFO Proxy Structure (Generated) BC - WebServices ABAP Configuration
RFCSI RFC System Information (See RFC_SYSTEM_INFO Function Module) BC - RFC
MSG_TEXT Message texts for method log PS - Network and Activity
RSDB Index of the RESB for the Direct Procurement Element PP - Master Data
ABAPLIST Structure for Internal Table as List Container 40A - Syntax
T100 Messages Basis - Activation Program, Conversion Program, DB Utility, MC, SPDD