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ABENC1_CONSUMER_RULES - C1 CONSUMER RULES

C1 Contract Rules for API Consumers

The provider rules for objects with C1 contract ensure that released objects are changed only in a very restricted way and help to avoid errors and interruptions after an SAP upgrade. Nevertheless, the rules do not prescribe full downward compatibility and leave some room for necessary enhancements to released APIs. Therefore, users of released APIs still have to consider the allowed compatible changes and access the APIs in such a way that the following errors and interruptions are avoided:

• Problems during the upgrade.

• Syntax errors after the upgrade.

• Runtime errors after an upgrade.

• Wrong behavior after an upgrade.

The following sections list allowed changes to released APIs that must be considered when accessing them.