magento/data-migration-tool

Magento Data Migration Tool

Stars: 339
Forks: 195
Open beginner issues: 0
Indexed issues: 119

Dominant language: PHP
License: OSL-3.0
Last GitHub push: Apr 16, 2025
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

119 open issues indexed

2.4.9 Compatability Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

magento/data-migration-tool#936 · 1 comment · Opened Jul 8, 2026
Facing Sql state error on data migration cmd "SQLSTATE[42000]: Syntax error or access violation: 1115 Unknown character set: 'utf8mb4'" Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

magento/data-migration-tool#935 · 1 comment · Opened May 7, 2026
Data Migration Tool inserts massive duplicate gallery rows in catalog_product_entity_media_gallery_value causing major slowdown Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#934 · 1 comment · Opened Dec 29, 2025
Error in catalog product after migration magento 2.4.8 - data migration tool 2.4.8.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#932 · 7 comments · Opened Oct 24, 2025
Errore after installing data migration tool 2.4.8.1 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

magento/data-migration-tool#931 · 7 comments · Opened Oct 24, 2025
Erro Mismatch of entities in the document Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#930 · 1 comment · Opened Aug 28, 2025
Integrity constraint violation: 1062 Duplicate entry '11-general' for key Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#928 · 2 comments · Opened Apr 15, 2025
2.4.8 compatability Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#927 · 6 comments · Opened Apr 14, 2025
In Magento need to add a PayPal button to the product page. After configuring the settings in the admin panel, the button is still not showing. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#925 · 3 comments · Opened Jul 21, 2024
Deprecated Functionality: preg_replace(): Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

magento/data-migration-tool#924 · 1 comment · Opened Jun 13, 2024
Customer Login get the Error: Call to a member function getId() on null in vendor\magento\data-migration-tool\src\Migration\Model\PasswordHashResolver.php:44 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#922 · 1 comment · Opened Mar 11, 2024
SQLSTATE[42000]: Syntax error or access violation: 1701 Cannot truncate a table referenced in a foreign key constraint eav_entity_type` (`entity_type_id) Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

magento/data-migration-tool#921 · 1 comment · Opened Dec 12, 2023
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '11' for key 'PRIMARY' Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#920 · 2 comments · Opened Oct 16, 2023
magento/module-catalog/Setup/Patch/Data/UpdateMultiselectAttributesBackendTypes.php breaks upgrade in migrated sites from 1.x Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#919 · 1 comment · Opened Oct 13, 2023
Magento 2.4.6 compatibility issue Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

magento/data-migration-tool#915 · 1 comment · Opened Mar 16, 2023
Php 8.2 Compatibility Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

magento/data-migration-tool#914 · 7 comments · 3 reactions · Opened Mar 14, 2023
Mismatch on customer entity on data migration followed by an integrity constraint violation on delta migration Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#911 · 1 comment · Opened Mar 1, 2023
Magento 1.9.3.9 to Magento 2.4.5 data migration issue str_replace() Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

magento/data-migration-tool#910 · 1 comment · Opened Feb 7, 2023
Suddenly category product not showing and one category showing product which not assigned to that category Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#909 · 1 comment · Opened Jan 27, 2023
Data Migration stuck at catalog_product_entity_media_gallery_value Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

magento/data-migration-tool#907 · 1 comment · Opened Dec 21, 2022
Migration\Handler\SetValue not compatible with PHP 8.1 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

magento/data-migration-tool#906 · 3 comments · 2 reactions · Opened Dec 5, 2022
Migration getting stuck at post processing leftover Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

magento/data-migration-tool#903 · 2 comments · Opened Sep 29, 2022
Return value of Migration\ResourceModel\AbstractCollection::key() must be an instance of Migration\ResourceModel\mixed, int returned Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

magento/data-migration-tool#902 · 7 comments · 1 reaction · Opened Sep 8, 2022
Deprecated Functionality: preg_replace() Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

magento/data-migration-tool#899 · 5 comments · Opened Aug 4, 2022
Deprecated Functionality: explode() 2.4.4 with php 8.1 Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

magento/data-migration-tool#896 · 1 comment · Opened Jun 17, 2022
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '15-product-details' for key 'eav_attribute_group.EAV_ ATTRIBUTE_GROUP_ATTRIBUTE_SET_ID_ATTRIBUTE_GROUP_CODE' Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#895 · 4 comments · Opened Jun 14, 2022
Magento1 to Magento2 data migration using tool, associate attribute and attribute group are not showing in magento 2 after migration Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#894 · 2 comments · Opened May 6, 2022
2.4.4 not compatible with php 8.1? Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

magento/data-migration-tool#893 · 10 comments · 5 reactions · Opened Apr 13, 2022
Dependency conflict with Magento 2.4.4 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#891 · 7 comments · Opened Apr 8, 2022
Unable to migrate magento1.9.3.2 into magento 2.4.3 #35251 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

magento/data-migration-tool#890 · 3 comments · Opened Mar 31, 2022
Custom product attribute groups empty when migrating from 1.9.2.2 to 2.4.3 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

magento/data-migration-tool#888 · 5 comments · Opened Feb 13, 2022
magento 1.9.2.2 to magento 2.3.7-p1 occurs the erros Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

magento/data-migration-tool#887 · 2 comments · Opened Feb 12, 2022
Notice: Undefined offset: 19 in vendor/magento/data-migration-tool/src/Migration/Step/Eav/Data.php on line 452 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

magento/data-migration-tool#886 · 2 comments · Opened Jan 4, 2022
Payment method is not available. You still can process offline actions erro Magento 2.4.3 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#885 · 1 comment · Opened Nov 16, 2021
Magento 2.4.3-p1 patch breaks data migration Open

Difficulty 4/5 3-5 days Newbie friendliness 40/100

magento/data-migration-tool#884 · 5 comments · 1 reaction · Opened Nov 12, 2021
Failed migration 1.7.0.2 to M.2.3.7-p2 Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

magento/data-migration-tool#883 · 1 comment · Opened Oct 22, 2021
Delta Migration issue Integrity constraint violation Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#881 · 2 comments · Opened Aug 21, 2021
> vendor/magento/data-migration-tool/src/Migration/Step/Eav Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

magento/data-migration-tool#878 · 1 comment · Opened Jul 20, 2021
I have done every process above still facing the same error Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

magento/data-migration-tool#877 · 1 comment · Opened Jul 20, 2021
Customer address problems after migration from Magento 1.9.2.3 to Magento 2.3.3 Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

magento/data-migration-tool#874 · 2 comments · Opened May 29, 2021
no street address Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

magento/data-migration-tool#873 · 1 comment · Opened May 26, 2021
Feature Request: Possibility to split the option files declared in config.xml to multiple files. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#870 · 1 comment · Opened Feb 25, 2021
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '11-general' for key 'EAV_ATTRIBUTE_GROUP_ATTRIBUTE_SET_ID_ATTRIBUTE_GROUP_CODE' Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#869 · 14 comments · 6 reactions · Opened Feb 24, 2021
```suggestion Open

Difficulty 2/5 1-3 hours Newbie friendliness 15/100

magento/data-migration-tool#868 · 1 comment · Opened Feb 24, 2021
SQLSTATE[42S02]: Base table or view not found: 1146 Table 'magento.catalog_product_index_eav_decimal_outdated' doesn't exist, query was: SHOW INDEXES FROM catalog_product_index_eav_decimal_outdated WHERE `Non_unique` = 1 Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

magento/data-migration-tool#867 · 2 comments · Opened Feb 18, 2021
tried 1.9.3.8 to 2.3.6 (using 2.3.5) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#865 · 3 comments · Opened Jan 5, 2021
curious why composer needs >1,6GB of memory to install 1MB source code Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

magento/data-migration-tool#864 · 2 comments · Opened Jan 5, 2021
Cannot perform delta migration on multiselect attributes. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

magento/data-migration-tool#863 · 2 comments · Opened Jan 5, 2021
Incompatibility in data. Source document: eav_attribute. Field: backend_model. Error: Class Magento\Customer\Model\Customer\Attribute\Backend\Website is not mapped in record attribute_id=1 Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

magento/data-migration-tool#862 · 1 comment · Opened Jan 4, 2021
Deltalog for catalog_product_super_attribute_pricing is not installed Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

magento/data-migration-tool#858 · 7 comments · Opened Nov 24, 2020

A short digest of beginner-friendly GitHub issues.