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and after replace: {db_prefix} to fl_ or other your prefix.
showed me this:
Failed to run the SQL query.Duplicate column name 'Cron'
Failed to run the SQL query.Duplicate column name...

when try to import sql for upgrade showing me this:

Failed to run the SQL query.Duplicate column name 'Cron'
Failed to run the SQL query.Table 'souqsham.{db_prefix}accounts' doesn't exist
Failed...