Ceph - Error creating/starting new radosgw server

Issue

• I'm encountering the following crash when starting a newly created RGW server deployed via ceph-ansible:

[root@testrgw rv]#  /usr/bin/radosgw -f --cluster ceph --name client.rgw.testrgw
common/ceph_crypto.cc: In function 'void ceph::crypto::init(CephContext*)' thread 7f14a69b29c0 time 2017-11-30 16:25:12.556281
common/ceph_crypto.cc: 77: FAILED assert(crypto_context != __null)
 ceph version 10.2.7-32.el7cp (ef49626371ba965ec4d3f8eff67a811528c0a334)
 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x85) [0x7f149d2b6ab5]
 2: (ceph::crypto::init(CephContext*)+0x103) [0x7f149d2cf9c3]
 3: (CephContext::init_crypto()+0x15) [0x7f149d2ca725]
 4: (common_init_finish(CephContext*)+0x10) [0x7f149d2e6bc0]
 5: (main()+0x7c1) [0x7f14a69edb01]
 6: (__libc_start_main()+0xf5) [0x7f149b9e2b35]
 7: (()+0x17042) [0x7f14a69f0042]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
2017-11-30 16:25:12.557475 7f14a69b29c0 -1 common/ceph_crypto.cc: In function 'void ceph::crypto::init(CephContext*)' thread 7f14a69b29c0 time 2017-11-30 16:25:12.556281
common/ceph_crypto.cc: 77: FAILED assert(crypto_context != __null)