Message type: E = Error
Message class:  CNV40107 - Package 40107 - Logical System 
Message number: 003
Message text: Duplicate entries: Old value : &1, New value: &2
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The SAP error message CNV40107003 indicates that there are duplicate entries in a data migration or conversion process. This error typically arises during data migration activities, especially when using SAP's Data Migration tools or during the execution of a conversion program. The message specifies that there is a conflict between an old value and a new value, which cannot coexist in the target system.
Cause: The error occurs due to the following reasons: Duplicate Data: The old value already exists in the target system, and the new value being migrated or converted is identical to it. Data Integrity Rules: The target system has constraints or rules that prevent duplicate entries in certain fields or tables. Incorrect Mapping: There may be an issue with the mapping of fields during the migration process, leading to attempts to insert duplicate values.
Solution: To resolve this error, you can take the following steps: Identify Duplicates: Review the data being migrated to identify the
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CNV40107002 New Logical System = space; Original Logical System = &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV40107001 Old Logical System cannot be initial for new Logical System: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV40107004 No format errors determined for new Logical System
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV40107005 No incorrect Logical System
What causes this issue?  The given log. system is indicated as source field and as target field in table CNVRENAME. This may lead to a swap of the typ...
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