Datalore-server:2022.2.3 and sql cell problems

Using datalore-server:2022.2.3 docker image.
Trying to create sql cell for postgres datasource.
Simple

select * from table_a

query leads to error;

Error in names(x) <- value: 'names' attribute [1] must be the same length as the vector [0]
Traceback:

1. .datalore.helpers.parse_sql_recordset("{\"columns\":[{\"type\":\"INT64\",\"label\":\"a\"}],\"rows\":[]}")
2. `colnames<-`(`*tmp*`, value = o$columns$label) # at line 138 of file <text>