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The load is not high and everything is ok When the load came up that day, it suddenly became abnormal. some mistakes：

[error] 29935#0: *88148841767 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Exception: The Response content must be a string or object implementing __toString(), "boolean" given.

[error] 29932#0: *88149069848 FastCGI sent in stderr: "PHP message: PHP Warning: DateTime::modify(): Failed to parse time string (\xB1 day) at position 0 (\xB1): Unexpected character

mysql err

PHP message: SQLSTATE[42S22]: Column not found: 1054 Unknown column '?' in 'field list'

PHP message: SQLSTATE[42000]: Syntax error or access violation: 1327 Undeclared variable: ?

PHP message: SQLSTATE[42S22]: Column not found: 1054 Unknown column '?' in 'where clause'

It seems that there is a character encoding problem in parsing. Is it related to opcache?

FLY
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  • The uncaught exception errors listed indicates failure to catch all errors in php processing. Best practice for php is to always document errors. If errors are being sent to STDERR, there may not be a durable log available for review days later. Use of STDERR is never a good idea for any logging - because - if you are not there, it will just roll off the display with no record of the error. Please post the last 100 lines of your mysql error log for analysis. We may request additional info. Please view profile for contact info. – Wilson Hauck Mar 19 '23 at 11:12

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