Data Migration > EAV Step
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '1-Migration_Default' for key 'EAV_ATTRIBUTE_SET_ENTITY_TYPE_ID_ATTRIBUTE_SET_NAME'
i have find solution here but not work for me also i have remove duplicate attribute set in eav_attribute_set table
but after run command then new error genrated
Undefined offset: 4 in vendor/magento/data-migration-tool/src/Migration/Step/Eav/Data.php on line 292
Any help would be appreciated.
Thanks.