3393108 - Execution Sequence in Manage Substitution and Validation Rules-Journal Entries.

What is the sequence of execution for substitution rules determined in Manage Substitution and Validation Rules?

SAP S/4HANA Cloud Public Edition

• Execution order is derived automatically from data dependencies (topological ordering).
• A rule that writes a field runs before any rule that reads that field.
• If multiple active rules write the same field and there’s no dependency between them, the tie is resolved by alphabetical order of the rule name, so naming can influence which rule runs later.
• Cyclic dependencies (rules that read/write each other’s fields in a loop) are detected and result in an error; a fixed custom sequence to override this cannot be enforced.

Manage Substitution/Validation Rules

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