Error after calling up RS_VARIANT_CONTENTS

What causes this issue?

Function module RS_VARIANT_CONTENTS was unable to interpret the variant
transferred even though it does exist.

System Response

The transaction terminates.

How to fix this error?

Contact SAP.

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.