There are more than & possible inputs

What causes this issue?

The hit list does not display all the valid values because the maximum
number of rows to be displayed was limited.

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?

With the function "Restrict values" you can define selection conditions
that reduce the number of valid values.
Use the same function to change the maximum number of rows to be
displayed.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.