Delphi Error – E2411 Unit %s in package %s refers to unit %s which is not found in any package. Packaged units must refer only to packaged units

Delphi Compiler Error

E2411 Unit %s in package %s refers to unit %s which is not found in any package. Packaged units must refer only to packaged units

Reason for the Error & Solution

No further information is available for this error or warning.