amundsen: Recieve error "Something went wrong..." when upload data from PostgreSQL database

I have uploaded information about my postgresql tables. When I try to see Information about tables I see error "Something went wrong… "

Expected Behavior

I want to see metadata information about tables.

Current Behavior

I can see that upload was succesfull because information about tables availible in neo4j store.

I have used docker-amundsen.yml script for deloyment. In amundsenfrontend container logs recieve this error

2021-03-14T13:11:33+0000.463 [ERROR] v0._get_table_metadata:149 (11:MainThread) - Encountered exception: {'columns': {0: {'col_type': ['Field may not be null.']}, 1: {'col_type': ['Field may not be null.']}}} Traceback (most recent call last): File "/app/amundsen_application/api/metadata/v0.py", line 143, in _get_table_metadata results_dict['tableData'] = marshall_table_full(table_data_raw) File "/app/amundsen_application/api/utils/metadata_utils.py", line 109, in marshall_table_full table: Table = schema.load(table_dict).data File "/usr/local/lib/python3.7/site-packages/marshmallow/schema.py", line 588, in load result, errors = self._do_load(data, many, partial=partial, postprocess=True) File "/usr/local/lib/python3.7/site-packages/marshmallow/schema.py", line 711, in _do_load raise exc marshmallow.exceptions.ValidationError: {'columns': {0: {'col_type': ['Field may not be null.']}, 1: {'col_type': ['Field may not be null.']}}} 2021-03-14T13:11:33+0000.463 [DEBUG] action_log_callback.on_post_execution:70 (11:MainThread) - Calling callbacks: [<function logging_action_log at 0x7f26506bf8c0>] 2021-03-14T13:11:33+0000.464 [DEBUG] action_log_callback.logging_action_log:85 (11:MainThread) - logging_action_log: ActionLogParams(command='_get_table_metadata', start_epoch_ms=1615727493322, end_epoch_ms=1615727493463, user='test@email.com', host_name='ee9f995f6b9d', pos_args_json='[]', keyword_args_json='{"table_key": "postgres://ioekgftt.public/demo", "index": "0", "source": "search_results"}', output='{"tableData": {}, "msg": "Encountered exception: {\'columns\': {0: {\'col_type\': [\'Field may not be null.\']}, 1: {\'col_type\': [\'Field may not be null.\']}}}", "status_code": 500}', error=None)

Steps to Reproduce

1. Deploy amundsen on docker
2. Use sample_postgres_loader.py to upload data

Your Environment

• Amunsen version used: amundsen-frontend:3.1.0, amundsen-search:2.4.1, amundsen-metadata:3.3.0
• Data warehouse stores: postgresql
• Deployment (k8s or native): native(docker)