How To Fix WL429 - Workflow '&' container operation step &: Numeric value & or & too big

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 429

• Message text: Workflow '&' container operation step &: Numeric value & or & too big

What causes this issue?

The required operation on two variables in the workflow container
cannot be executed since the variable values or the result are larger
than the largest number representable in ABAP.
(Currently: 1,000,000,000 or 1 E 9)

System Response

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

INCLUDE NA_WF_ERROR OBJECT DOKU ID TX

How to fix this error?

Check the container elements of the workflow container and the related
activities which assign values to these container elements. You may
need to use a task (method) that implements the required arithmetic
operation with floating-point arithmetic.

Error message extract from SAP system. Copyright SAP SE.