Hi guys,
I'm having the same issue with Ubuntu 18.04.
Suspect it's related to the SSL library...? I know my RMM tool (Pulseway) has problems with the libssl_1.1 package.
Have attempted to send logs (./cbb sendLog)

2018-08-10 09:01:04,838834 [ERROR]: WOOPS! Me crashed!11
2018-08-10 09:01:04,849108 [FATAL]: CRASH HANDLED; Application has crashed due to [SIGSEGV] signal
======= Backtrace: =========
[1] /lib/x86_64-linux-gnu/libc.so.6+0x3ef20 [0x7f4ce4f70f20]
[2] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:lh_retrieve+0x7d [0x7f4ce81a737d]
[3] /opt/local/Online Backup/lib/libcrypto.so.1.0.0+0x11fb9f [0x7f4ce81a9b9f]
[4] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:ERR_get_state+0x3e [0x7f4ce81aadde]
[5] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:ERR_put_error+0x1e [0x7f4ce81ab6be]
[6] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:PEM_read_bio+0x2d7 [0x7f4ce81e59b7]
[7] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:PEM_X509_INFO_read_bio+0xb3 [0x7f4ce81e3e73]
[8] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:X509_load_cert_crl_file+0x47 [0x7f4ce81f5367]
[9] /opt/local/Online Backup/lib/libcrypto.so.1.0.0+0x16b48a [0x7f4ce81f548a]
[10] /opt/local/Online Backup/lib/libcrypto.so.1.0.0:X509_STORE_load_locations+0x3f [0x7f4ce81eb95f]
[11] /opt/local/Online Backup/lib/libcbbCommon.so+0x39a7af [0x7f4ce77427af]
[12] /opt/local/Online Backup/lib/libcbbCommon.so:SHARED::SSL::init_soap_ssl(soap&)+0x15b [0x7f4ce79db97b]
[13] /opt/local/Online Backup/raw_bin/cbbLocalManagement() [0x4968b0]
[14] /opt/local/Online Backup/lib/libQt5Core.so.5+0xaa13e [0x7f4ce5f3013e]
[15] /opt/local/Online Backup/lib/libQt5Core.so.5+0xad153 [0x7f4ce5f33153]
[16] /lib/x86_64-linux-gnu/libpthread.so.0+0x76db [0x7f4ce5c6e6db]
[17] /lib/x86_64-linux-gnu/libc.so.6:clone+0x3f [0x7f4ce505388f]

Thanks,