Message type: E = Error
Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages
Message number: 756
Message text: An entry already exists for constraint &1 and start timestamp &2 &3.
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OD756
- An entry already exists for constraint &1 and start timestamp &2 &3. ?The SAP error message OD756 indicates that there is a conflict with a database constraint due to an attempt to insert or update a record that would violate a unique constraint. Specifically, the message states that an entry already exists for a given constraint, identified by the constraint name (&1) and a start timestamp (&2 &3).
Cause: The error typically occurs in scenarios where: Duplicate Entries: You are trying to create or update a record that has a unique constraint, and the values you are trying to insert already exist in the database. Data Integrity Violations: The operation you are attempting violates the integrity rules defined in the database schema, such as primary keys or unique indexes. Concurrency Issues: Multiple transactions are trying to modify the same data simultaneously, leading to conflicts.
Solution: To resolve the OD756 error, you can take the following steps: Check Existing Records: Query the database to check for existing records that match the
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