MySQL : getting error - SQLSTATE[21000]: Cardinality violation: 1241 Operand should contain 1 column

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MySQL : getting error - SQLSTATE[21000]: Cardinality violation: 1241 Operand should contain 1 column(s)
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MySQL : getting error - SQLSTATE[21000]: Cardinality violation: 1241 Operand should contain 1 column(s)
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SQLSTATE[21000]: 1241 Cardinality MySQL column(s) - 1 getting should error violation: : Operand contain



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