Can't update to Catalina
In the software update I get this message --
The requested version of macOS is not available.
MacBook Pro (Retina, 15-inch, Mid 2014)
OS 10.14.6
16 GB 1600 MHz DDR3
2.8 GHz Intel Core i7
Intel Iris Pro 1536 MB
MacBook Pro 15", macOS 10.14