Datamigration Error M1 to M2

[ram1ranosy60db]

Hello, We are doing data migration but getting below error. Could anyone please suggest a way.

M1 Version: 1.9.3.2

M2 Version: 2.3.5

[NOTICE]: You can use --auto or -a option to ignore not mapped differences between source
and destination to continue migration
In Data.php line 97:
[Migration\Exception]
Integrity Check failed

Exception trace:
at /var/www/html/<project>/vendor/magento/data-migration-
tool/src/Migration/Mode/Data.php:97
Migration\Mode\Data-&gt;runIntegrity() at /var/www/html/<project>/vendor/magento/data-
migration-tool/src/Migration/Mode/Data.php:62
Migration\Mode\Data-&gt;run() at /var/www/html/<project>/vendor/magento/data-migration-
tool/src/Migration/Console/MigrateDataCommand.php:59
Migration\Console\MigrateDataCommand-&gt;execute() at
/var/www/html/<project>/vendor/symfony/console/Command/Command.php:255
Symfony\Component\Console\Command\Command-&gt;run() at
/var/www/html/<project>/vendor/magento/framework/Interception/Interceptor.php:58
Migration\Console\MigrateDataCommand\Interceptor-&gt;___callParent() at
/var/www/html/<project>/vendor/magento/framework/Interception/Interceptor.php:138
Migration\Console\MigrateDataCommand\Interceptor-
&gt;Magento\Framework\Interception\{closure}() at
/var/www/html/<project>/vendor/magento/framework/Interception/Interceptor.php:153
Migration\Console\MigrateDataCommand\Interceptor-&gt;___callPlugins() at
/var/www/html/<project>/generated/code/Migration/Console/MigrateDataCommand/Interceptor.p
hp:104
Migration\Console\MigrateDataCommand\Interceptor-&gt;run() at
/var/www/html/<project>/vendor/symfony/console/Application.php:1000
Symfony\Component\Console\Application-&gt;doRunCommand() at
/var/www/html/<project>/vendor/symfony/console/Application.php:271
Symfony\Component\Console\Application-&gt;doRun() at
/var/www/html/<project>/vendor/magento/framework/Console/Cli.php:115
Magento\Framework\Console\Cli-&gt;doRun() at
/var/www/html/<project>/vendor/symfony/console/Application.php:147
Symfony\Component\Console\Application-&gt;run() at /var/www/html/<project>/bin/magento:23

[Bhanu Periwal]

Hi @ram1ranosy60db 

Can you please do the migration with below steps:

1. if you have taken the backup of fresh Magento 2 database. Replace that Database with your existing instance of magento 2 database.

2. Try to migrate data with below command.

php bin/magento -a migrate:data path_to_config.xml

If you still face issues in the data migration. Please go through below link to tackle the errors occurring while migration.

https://www.goivvy.com/blog/magento-2-migration

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