Diagnosis
Account determination type &V1& is unknown.

System Response
INCLUDE ISR_STOP

Procedure
Check whether the value &V1& is defined as a fixed value for domain theWOSCR_ACCTDET (transaction SE11).
If so, there is a program error.
If not, a value was entered in Customizing that is excluded by thecheck against the fixed value, and is also unknown in the program.
INCLUDE ISR_VERWALTUNG