Error during congregate-onboarding-workshop for certification

Hello Team during docker-compose up seeing this errors

gitlab-src     | 
gitlab-src     | ==> /var/log/gitlab/postgres-exporter/current <==
gitlab-src     | 2023-07-24_20:26:42.29244 ts=2023-07-24T20:26:42.292Z caller=collector.go:190 level=error msg="collector failed" name=postmaster duration_seconds=0.082511375 err="sql: Scan error on column index 0, name \"pg_postmaster_start_time\": converting driver.Value type time.Time (\"2023-07-24 20:04:42.986625 +0000 GMT\") to a float64: invalid syntax"
gitlab-src     | 2023-07-24_20:26:42.29598 ts=2023-07-24T20:26:42.295Z caller=collector.go:190 level=error msg="collector failed" name=replication duration_seconds=0.086098083 err="sql: Scan error on column index 0, name \"pg_postmaster_start_time\": converting driver.Value type time.Time (\"2023-07-24 20:04:42.986625 +0000 GMT\") to a float64: invalid syntax"

gitlab-dest    | ==> /var/log/gitlab/postgres-exporter/current <==
gitlab-dest    | 2023-07-24_20:39:51.22634 ts=2023-07-24T20:39:51.226Z caller=collector.go:190 level=error msg="collector failed" name=replication duration_seconds=0.012758789 err="sql: Scan error on column index 0, name \"pg_postmaster_start_time\": converting driver.Value type time.Time (\"2023-07-24 20:04:37.40794 +0000 GMT\") to a float64: invalid syntax"
gitlab-dest    | 2023-07-24_20:39:51.32009 ts=2023-07-24T20:39:51.320Z caller=collector.go:190 level=error msg="collector failed" name=postmaster duration_seconds=0.106558953 err="sql: Scan error on column index 0, name \"pg_postmaster_start_time\": converting driver.Value type time.Time (\"2023-07-24 20:04:37.40794 +0000 GMT\") to a float64: invalid syntax"

docker-compose trying install in infinitove loop

Instance: AWS Ubuntu server ubuntu-jammy-22.04-amd64-server-20230516

Exam issue: gitlab-org/professional-services-automation/tools/migration/congregate-onboarding-workshop#537