Error to trace to log to deploy. One click. No SSH.
Catch the cause before the pager goes off.
AppSignal links every error to the trace, the trace to the log, the log to the deploy that shipped it.
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...There is no need of MySQL.
The latest release of php Sudoku with 1.000.000 puzzles is hosted at https://github.com/msoftware/phpsudoku. On sourceforge.net you will only find php sudoku V 1.0. All newer versions are available at https://github.com/msoftware/phpsudoku.