Invalid CPF a/c number!

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Employee's CPF account number :
- First character must begin with S or T, whereby S denotes for those
born before the year 2000 and T denotes for those born on the year
2000 onwards. As for foreigner, the S or T will depend on the date
of application of CPF account number to CPF board.
- Second character can be numeric for local or alphabet A, B, C, D, or
F
for foreigner.
- Third character till eighth character must be numeric.
- Ninth character will be the check-digit which will be in
alphanumeric.
The conversion of alpha to numeric check digit is shown below:
If second character is A , B, C or 0 to 9, then
Alpha CD : A B C D E F G H I J Z
Numeric CD: 1 2 3 4 5 6 7 8 9 0 -
If second character is D or F, then
Alpha CD : A B C E J K L N P X V
Numeric CD: 0 1 2 3 4 5 6 7 8 9 -
- There shoud not be any decimal places to separate the check digit.
Eg: Local - S1254555Z, T1234567J
Foreigner - SA084109E, TC738389Z

How to fix this error?

1. Check a/c number prefix
2. Check length of a/c number
3. Check last character of a/c number (check-digit)

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.