Message Number list used by SAP ABAP Function Module ISAI_USER_CHECK_REFERENCE (Checks reference between user and (KNA1) customer)
SAP ABAP Function Module 
ISAI_USER_CHECK_REFERENCE (Checks reference between user and (KNA1) customer) is using
| # | Object Type | Object Name | Object Description | Note |
|---|---|---|---|---|
 |
|
|||
| 1 |  Message Number |
ISA - 054 | Assignment to customer &1 is not valid | |
| 2 | Message Number |
ISA - 055 | You are not authorized to read data about customer &1 | |
