SIFR-PYZC-0001: An advanced-data ownership, buffer layout, or hidden-copy declaration is invalid. - Sifr

SIFR-PYZC-0001 belongs to the Embedded Python zero-copy diagnostic family. It means: an advanced-data ownership, buffer layout, or hidden-copy declaration is invalid.

Why It Happens

A Python zero-copy buffer, Arrow, DLPack, or array-interface exchange failed lifetime or layout checks.

Use sifr --explain SIFR-PYZC-0001 locally to see the renderer’s exact message template and any machine-applicable suggestions for the compiler version you are running.

Details

Field	Value
Code	`SIFR-PYZC-0001`
Family	`PYZC`
Severity	Error
Stability	stable
Owner	`sifr_lowering`
Representative fixture	`crates/sifr_lowering/src/lower/python_buffer_contract_tests.rs::buffer_policy_and_return_contract_fail_with_pyzc_0001`

See the Error Codes index for the complete catalog.