'&' not found in item list

What causes this issue?

This message can appear for the following reasons:
The search term entered does not appear in the column selected.
You have selected the Quantity, Net price, or Amount column and
searched for a numeric character string. The system does not support
this type of search.

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?

Select the columns for which alphanumeric character strings are
allowed: for example, purchase order number, delivery note number,
text.
Enter another search term and choose the binoculars icon <LS>Find</> or
<LS>Find next</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.