MySQL : SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a fo

MySQL : SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails - Laravel
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MySQL : SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails - Laravel
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SQLSTATE[23000]: constraint update : row: 1452 - constraint Laravel a child or key a Integrity Cannot MySQL foreign add fails violation: