Fatal: MaxScale 2.2.15 received fatal signal 11 - libavrorouter.so(count_columns+0x21)

2018-10-11 19:44:36   info   : (4) [binlogrouter] Fake ROTATE_EVENT received: binlog file mariadb-bin.000001, pos 5474388

2018-10-11 19:44:37   alert  : Fatal: MaxScale 2.2.15 received fatal signal 11. Attempting backtrace.

2018-10-11 19:44:37   alert  : Commit ID: 62ce6c15dcd45be035ff6a005ca5539ca3d2adc8 System name: Linux Release string: NAME="CentOS Linux"

2018-10-11 19:44:37   alert  :   /usr/bin/maxscale() [0x407ea1]: ??:0

2018-10-11 19:44:37   alert  :   /lib64/libpthread.so.0(+0xf6d0) [0x7f2b50fb36d0]: sigaction.c:?

2018-10-11 19:44:37   alert  :   /lib64/libc.so.6(+0x13e6a8) [0x7f2b4efcc6a8]: :?

2018-10-11 19:44:37   alert  :   /usr/lib64/maxscale/libavrorouter.so(count_columns+0x21) [0x7f2b4bbe04d1]: /home/vagrant/MaxScale/server/modules/routing/avrorouter/avro_schema.c:606 (discriminator 1)

2018-10-11 19:44:37   alert  :   /usr/lib64/maxscale/libavrorouter.so(table_create_alloc+0xe8) [0x7f2b4bbe06e8]: /home/vagrant/MaxScale/server/modules/routing/avrorouter/avro_schema.c:623

2018-10-11 19:44:37   alert  :   /usr/lib64/maxscale/libavrorouter.so(handle_query_event+0x486) [0x7f2b4bbe5436]: /home/vagrant/MaxScale/server/modules/routing/avrorouter/avro_file.c:1154

2018-10-11 19:44:37   alert  :   /usr/lib64/maxscale/libavrorouter.so(avro_read_all_events+0x7ad) [0x7f2b4bbe5c4d]: /home/vagrant/MaxScale/server/modules/routing/avrorouter/avro_file.c:766

2018-10-11 19:44:37   alert  :   /usr/lib64/maxscale/libavrorouter.so(converter_func+0x98) [0x7f2b4bbdc388]: /home/vagrant/MaxScale/server/modules/routing/avrorouter/avro.c:1215

2018-10-11 19:44:37   alert  :   /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x5e994) [0x7f2b51490994]: /home/vagrant/MaxScale/server/core/housekeeper.cc:262

2018-10-11 19:44:37   alert  :   /lib64/libpthread.so.0(+0x7e25) [0x7f2b50fabe25]: pthread_create.c:?

2018-10-11 19:44:37   alert  :   /lib64/libc.so.6(clone+0x6d) [0x7f2b4ef8cbad]: ??:?

2018-10-11 19:44:37   info   : Starting log flushing to disk.