During an upgrade to any ECC 6.0 release (SR, EHP or SP on a ECC 6.0 environment), the following error is raised during TABIM_UPG phase:
2EETW000 Update and insert sequence failed due to conflicting unique indexes on table DSYS_PHHEAD_ECD2 (please read OSS note 626915 for details)
However OSS note 626915 provides general guidance and does not contain information about this specific error.
DSYS_PHHEAD_ECD2 upgrade TABIM_UPG update insert sequence unique index indexes non-unique SE11 , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-CTS-TLS , Transport Tools , PY-XX-FO-HRD , HR Documentation , Problem
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