SAP Message /POSDW/PCA_SECURITY030 - Part number of encrypted string is not numeric (&1)

Diagnosis
On receipt of POS transactions in POSDM via the BAPI interface, the partnumber that identifies the substring of the encrypted data containsvalues that are not numerical.

System Response
The system terminates the process.

Procedure
The part number (component BINDATASUBNUMBER of structure/POSDW/BAPISECUREBINDATA) must contain numerical values.