How To Fix WO808 - Parameter type & does not allow & (only E or I)

SAP Error Message - Details

• Message type: E = Error

• Message class: WO - WF: Messages for Workflow Wizards

• Message number: 808

• Message text: Parameter type & does not allow & (only E or I)

What causes this issue?

You have passed an internal table of the structure RSPARAMS. The field
SIGN contain a value that is not permitted. If the field KIND contains
the entry 'S', the field SIGN can only contain 'I' or 'E'.

System Response

The method was terminated with an exception.

How to fix this error?

Check the table entries (the field KIND is in the 9th place and the
field SIGN in the 10th place in the character string). Start the task
again.

Error message extract from SAP system. Copyright SAP SE.