Diagnosis
An internal error occurred during reading of configuration data.

System Response
The function is terminated.

Procedure
INCLUDE ISR_VERWALTUNG OBJECT DOKU ID TX

Procedure for System Administration
Check the Customizing settings for paymenttypes.
Contact SAP. The error occurred in subprogram tmzr_select_checkin function group wlf_invoice_test_docs. Structurests_wrart and ts_tmzr are both empty.