F4 input help is not available for literals

What causes this issue?

The F4 input help for <DS:GLOS.3526B21FAFAB52B9E10000009B38F974>literals
</> is not available.

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?

Choose the <LS>Expression</> field. The F4 input help is now available.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.