SAP Message PX075 - Subtype for communication infotype can not be determined in client &1

Diagnosis The system could not determine which subtype of the Communication infotype (0105) is used to assign the user name to the personnelnumber for client &V1&. System Response Converting the entries from the view Assignment of User toPersonnel Number (V_T513A) was not executed in the Communication infotype(0105). Procedure Inform your system administrator. Procedure for System Administration In client &V1& of the System table (T77S0), you maintain theentry with Group ID (GRPID) = MAIL and semanticabbreviation (SEMID) = SAPSY. If you have any doubt, use thevalue 0001 for Abbreviation value (GSVAL).