ID:22069 A cascading IOPLL was placed between IOPLLs of a different cascade pair. It is not possible for cascading IOPLL pairs to be interleaved. Constrain IOPLL locations so that each cascading IOPLL pair does not share I/O banks with other cascading IOPLL pairs.
CAUSE: Cascading IOPLL was placed between IOPLLs of a different cascade pair.
ACTION: Constrain IOPLL locations so that each cascading IOPLL pair does not share I/O banks with other cascading IOPLL pairs.