How To Fix TO143 - Object &1 &2 cannot be assigned to package &3

SAP Error Message - Details

• Message type: E = Error

• Message class: TO - Transport Organizer and Tools

• Message number: 143

• Message text: Object &1 &2 cannot be assigned to package &3

What causes this issue?

Object &V1& &V2& is not in namespace &V4&. It therefore cannot be
assigned to package &V3&.

System Response

Editing is terminated.

How to fix this error?

Assign the object to a package whose name does not begin with a
namespace prefix. The first character of the name of the package must
not be "/".

Error message extract from SAP system. Copyright SAP SE.