Overflow in operation COLLECT in data record summarization

What causes this issue?

During operation "COLLECT" an overflow occurs in a numeric field of
data structure &V1&.
It is possible that a characteristic field of structure &V1& has a
numeric data type. The list processor allows numeric data types only
for key figures.

System Response

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

How to fix this error?

In the table structure, check if all characteristics have a <ZH>non
</>-numeric data type.
If the summation has an error, insert an additional characteristic with
data type "C" (character) and make sure it contains a text copy of the
value of the original characteristic. Then replace the original
characteristic in the control table with the new characteristic.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.