SAP Message 62478 - For autom.determin.of RA no., no.of chars for & has to be defined

Diagnosis
As set in Customizing, the rental agreement number is automaticallydetermined by the business entity number, the building/property numberand the rental unit number. In the case of numerical part numbers, thelength is determined by the individual number ranges.
In the number range for &V1& the number may also contain non-numericalcharacters.
Therefore it is necessary to set the number of characters for thedetermination of the rental agreement number in Customizing.

System Response
The system cannot automatically calculate the rental agreement number.

Procedure
Contact your system administrator.

Procedure for the system administrator
Check and correct the settings for the number assignment in Customizingas required.