APs supported in 220.127.116.11:
Lightweight APs: 1600, 1700, 1800i, 1810 OEAP, 1810W, 1815i, 1815m, 1815t, 1815w, 1830, 1850, 2600, 2700, 2800, 3500e, 3500i, 3500p, 3600e, 3600i, 3600p, 3702e, 3702i, 3702p, 3800, 700, 700W, AP802, AP803, Integrated Access Point on Cisco 1100 ISR, ASA5506W-AP702
Outdoor and Industrial APs: 1532E, 1532I, 1540, 1552E, 1552H, 1552I, 1552C, 1552EU, 1552CU, 1552S, 1560, 1570, and IW3700
Note The Cisco Aironet 1550 Series APs with 64-MB memory are not supported.
Modules: AIR-RM3010L-x-K9 and AIR-RM3000M
As you can see 1142 is *not* in the list - very old APs like that are not supported in the latest releases of WLC code.
The last release to support those APs is 18.104.22.168.