PDOException while installation in M2

magento.stackexchange https://magento.stackexchange.com/questions/164072

  •  07-10-2020
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Question 

[ERROR] exception 'PDOException' with message 'SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`m2mar1317`.`cms_page`, CONSTRAINT `CMS_PAGE_PAGE_ID_SEQUENCE_CMS_PAGE_SEQUENCE_VALUE` FOREIGN KEY (`page_id`) REFERENCES `sequence_cms_page` (`sequence_value`) ON DELETE CASCADE)

How to fix this issue?

Attached screenshot: enter image description here

Was it helpful?

Solution

The issue was fixed after contacting magento support. The default dB table engine should be InnoDB and mine was MyISAM, and as a result, causing this error.

To change the default DB engine in /etc/my.cnf set the following:

default-storage-engine=InnoDB

instead of

default-storage-engine=MyISAM

After making these changes, installation went successful.

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