SAP ABAP Message Number RL - 301 (RL) is used by

• Function Module (2)
• Program (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	RELMOD_CHECK_BINRELATION	Check if type of link allowed with object types	SREL	BASIS	SAP_BASIS
2	Function Module	SREL_IDOC_GET_LINKS	SREL_IDOC_GET_LINKS	SREL	BASIS	SAP_BASIS