Value &1 of property &2 contains inadmissable special characters

What causes this issue?

The property value &V1& contains at least one of the following special
characters, which are not allowed:
Forward slash (/)
Dollar sign ($)
Backslash (\)
Sign for "greater than" (>)
Sign for "less than" (<)
Quotation marks (")

System Response

The property value &V1& cannot be saved.

How to fix this error?

Remove the special characters from the property value.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.