Internal error in screen layout (see long text)

What causes this issue?

For technical reasons, it was not possible to load the screen
completely.

System Response

The execution of the method
&V1& -> &V2&
was canceled with an error. The calling method was:
&V3& -> &V4&

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.