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Integrity violation Exception in SQL

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Last Modified: 2020-11-15
HI,
I am getting the following error while running my code -
main] WARN Exposed - Transaction attempt #0 failed: java.sql.SQLIntegrityConstraintViolationException: (conn=112908) Cannot add or update a child row: a foreign key constraint fails (`autoweb`.`#sql-720_1b90c`, CONSTRAINT `fk_Links_order_id` FOREIGN KEY (`order`) REFERENCES `Orders` (`id`)). Statement(s): ALTER TABLE Links ADD CONSTRAINT fk_Links_order_id FOREIGN KEY (`order`) REFERENCES Orders(id) ON DELETE RESTRICT ON UPDATE RESTRICT
org.jetbrains.exposed.exceptions.ExposedSQLException: java.sql.SQLIntegrityConstraintViolationException: (conn=112908) Cannot add or update a child row: a foreign key constraint fails (`autoweb`.`#sql-720_1b90c`, CONSTRAINT `fk_Links_order_id` FOREIGN KEY (`order`) REFERENCES `Orders` (`id`))
SQL: [ALTER TABLE Links ADD CONSTRAINT fk_Links_order_id FOREIGN KEY (`order`) REFERENCES Orders(id) ON DELETE RESTRICT ON UPDATE RESTRICT



]

But what i understand by (`autoweb`.`#sql-720_1b90c`, CONSTRAINT `fk_Links_order_id` FOREIGN KEY (`order`) REFERENCES `Orders` (`id`))

is that there is a table sql-720_1b90c  under autoweb for which some constraint is being violated.
But that table is not there. That name where is it coming from ?

Thanks
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