"message": "Call to a member function canNot() on null", "exception": "Symfony\\Component\\Debug\\Exception\\FatalThrowableError", code example

Example 1: "message": "Call to a member function canNot() on null", "exception": "Symfony\\Component\\Debug\\Exception\\FatalThrowableError",

namber call tacker

Example 2: "message": "Call to a member function canNot() on null", "exception": "Symfony\\Component\\Debug\\Exception\\FatalThrowableError",

"message": "Call to a member function canNot() on null",
    "exception": "Symfony\\Component\\Debug\\Exception\\FatalThrowableError",

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