Old IC number must be a numeric value.

What causes this issue?

The old IC number entered must be in the following format:
Format of the old IC number for those born before 1965 is:
X9(7) where X can have the values A - West Malaysia
H - Sabah
K - Sarawak
For those born before 1965 the prefix is to be left blank.
_9(7)

System Response

Error

How to fix this error?

Please check the number again and enter in the format shown above.

Error message extract from SAP system. Copyright SAP SE.