See here for details: https://www.klayout.de/forum/discussion/2597/cell-deep-copy-and-paste-in-new-layout-produces-an-error-in-0-29-7#latest There is no quick workaround. Please continue using version 0.29.6 if this feature is important to you.
See here for details: https://www.klayout.de/forum/discussion/2597/cell-deep-copy-and-paste-in-new-layout-produces-an-error-in-0-29-7#latest
There is no quick workaround. Please continue using version 0.29.6 if this feature is important to you.