Solarwinds addon (v 1.2.0) configuration error (SE 8.2.8)

[SK3]

I upgraded my SE from 7.2.4 to 8.2.8 afterwards I upgraded my apps and addon as per compatibility. but some addons stopped working and solarwinds addon is one of them.

I am getting below errors:

10-26-2023 18:10:04.720 +0000 ERROR AdminManagerExternal [20948 TcpChannelThread] - Stack trace from python handler:\nTraceback (most recent call last):\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/splunktaucclib/rest_handler/handler.py", line 117, in wrapper\n for name, data, acl in meth(self, *args, **kwargs):\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/splunktaucclib/rest_handler/handler.py", line 179, in all\n **query\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/solnlib/packages/splunklib/binding.py", line 289, in wrapper\n return request_fun(self, *args, **kwargs)\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/solnlib/packages/splunklib/binding.py", line 71, in new_f\n val = f(*args, **kwargs)\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/solnlib/packages/splunklib/binding.py", line 679, in get\n response = self.http.get(path, all_headers, **query)\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/solnlib/packages/splunklib/binding.py", line 1183, in get\n return self.request(url, { 'method': "GET", 'headers': headers })\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/solnlib/packages/splunklib/binding.py", line 1244, in request\n raise HTTPError(response)\nsolnlib.packages.splunklib.binding.HTTPError: HTTP 404 Not Found -- {"messages":[{"type":"ERROR","text":"Not Found"}]}\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n File "/opt/splunk/lib/python3.7/site-packages/splunk/admin.py", line 150, in init\n hand.execute(info)\n File "/opt/splunk/lib/python3.7/site-packages/splunk/admin.py", line 636, in execute\n if self.requestedAction == ACTION_LIST: self.handleList(confInfo)\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/splunk_aoblib/rest_migration.py", line 39, in handleList\n AdminExternalHandler.handleList(self, confInfo)\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/splunktaucclib/rest_handler/admin_external.py", line 40, in wrapper\n for entity in result:\n File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/splunktaucclib/rest_handler/handler.py", line 122, in wrapper\n raise RestError(exc.status, str(exc))\nsplunktaucclib.rest_handler.error.RestError: REST Error [404]: Not Found -- HTTP 404 Not Found -- {"messages":[{"type":"ERROR","text":"Not Found"}]}\n

10-20-2023 18:45:23.444 +0000 ERROR ModularInputs [15755 MainThread] - Unable to initialize modular input "solwarwinds_query" defined in the app "Splunk_TA_SolarWinds": Introspecting scheme=solwarwinds_query: script running failed (PID 15889 exited with code 1).

10-20-2023 18:45:23.443 +0000 ERROR ModularInputs [15755 MainThread] - <stderr> Introspecting scheme=solwarwinds_query: File "/opt/splunk/etc/apps/Splunk_TA_SolarWinds/bin/splunk_ta_solarwinds/aob_py3/cloudconnectlib/core/cacerts/ca_certs_locater.py", line 59, in _fallback