✘ error: invalid value for property “/log/watch-expressions/http-errors/expr” reason: SQL expression is invalid  |  reason: no such column: sc_status  |   --> /log/watch-expressions/http-errors/expr  |   | sc_status >= 400 AND bad   --> command-option:1  = help: Property Synopsis /log/watch-expressions/http-errors/expr  Description The SQL expression to execute for each input line. If expression evaluates to true, a 'log message detected' event will be published.