FTS: panic found during fts query execution

{"indexName": "default_index", "size": 10000000, "from": 0, "explain": false, "query": {"field": "name", "term": "Sofiya", "fuzziness": 2}, "fields": [], "ctl": {"consistency": {"level": "", "vectors": {}}, "timeout": 60000}, "highlight": {"style": "ansi"}}

[2021-02-08 12:33:58,957] - [fts_base:2628] INFO - Running query {"indexName": "default_index", "size": 10000000, "from": 0, "explain": false, "query": {"field": "name", "term": "Sofiya", "fuzziness": 2}, "fields": [], "ctl": {"consistency": {"level": "", "vectors": {}}, "timeout": 60000}, "highlight": {"style": "ansi"}} on node: 172.23.123.51:

[2021-02-08 12:33:59,069] - [stable_topology_fts:1974] INFO - Hits: 0

[2021-02-08 12:33:59,069] - [stable_topology_fts:1975] INFO - Content: []

[2021-02-08 12:33:59,071] - [remote_util:298] INFO - SSH Connecting to 172.23.123.51 with username:root, attempt#1 of 5

[2021-02-08 12:33:59,171] - [remote_util:336] INFO - SSH Connected to 172.23.123.51 as root

[2021-02-08 12:33:59,410] - [remote_util:3555] INFO - os_distro: CentOS, os_version: centos 7, is_linux_distro: True

[2021-02-08 12:33:59,703] - [remote_util:3711] INFO - extract_remote_info-->distribution_type: CentOS, distribution_version: centos 7

[2021-02-08 12:33:59,704] - [remote_util:298] INFO - SSH Connecting to 172.23.123.53 with username:root, attempt#1 of 5

[2021-02-08 12:33:59,805] - [remote_util:336] INFO - SSH Connected to 172.23.123.53 as root

[2021-02-08 12:34:00,072] - [remote_util:3555] INFO - os_distro: CentOS, os_version: centos 7, is_linux_distro: True

[2021-02-08 12:34:00,371] - [remote_util:3711] INFO - extract_remote_info-->distribution_type: CentOS, distribution_version: centos 7

[2021-02-08 12:34:00,372] - [remote_util:298] INFO - SSH Connecting to 172.23.123.52 with username:root, attempt#1 of 5

[2021-02-08 12:34:00,469] - [remote_util:336] INFO - SSH Connected to 172.23.123.52 as root

[2021-02-08 12:34:00,720] - [remote_util:3555] INFO - os_distro: CentOS, os_version: centos 7, is_linux_distro: True

[2021-02-08 12:34:01,011] - [remote_util:3711] INFO - extract_remote_info-->distribution_type: CentOS, distribution_version: centos 7

Number of matches : 3

matches : ['2021/02/08 12:33:48 http: panic serving 127.0.0.1:36252: runtime error: invalid memory address or nil pointer dereference', 'panic(0xffeba0, 0x1cb22b0)', '\t/home/couchbase/.cbdepscache/exploded/x86_64/go-1.13.7/go/src/runtime/panic.go:679 +0x1b2']