pg_statsinfo : error could not connect to repository

Hello,
After executing make install for pg_statsinfo when i start the server i see
error

ERROR: could not connect to repository
WARNING: writer discards 1 items
LOG: pg_statsinfo launcher shutting down
DEBUG: shmem_exit(0): 0 callbacks to make
DEBUG: proc_exit(0): 0 callbacks to make
DEBUG: exit(0)
DEBUG: shmem_exit(-1): 0 callbacks to make
DEBUG: proc_exit(-1): 0 callbacks to make

postgres.conf changes made are:

shared_preload_libraries = 'pg_statsinfo,pg_stat_statements'
track_counts = on
track_activities = on
log_min_messages = debug5
pg_statsinfo.textlog_min_messages.
log_timezone = 'utc'
log_destination = 'csvlog'
logging_collector = on

In pg_hba.conf changes made are
local all postgres ident

Any pointers would be appreciated

regards,