Internal Server Error

CDbCommand failed to execute the SQL statement: SQLSTATE[42703]: Undefined column: 7 ERROR: column "5e56258b-aac4-4915-956f-6d20e0997d65" does not exist
LINE 3: WHERE participant_id = "5e56258b-aac4-4915-956f-6d20e0997d65...
^

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