There were errors during the installation process

Some tables in the database are absent.

SQLSTATE[42S02]: Base table or view not found: 1146 Table 'adguru_guru2.mlm_time_zones' doesn't exist (SQL: select * from `mlm_time_zones` where `country_code` = US limit 1)

1/ Perform the database installation manually with the sql files:
2/ Or perform a resettlement:
BE CAREFUL: If your site is already in production, you will lose all your data in both cases.